Statistics Exam, WGU C955 Exam, applied probability, WGU C955 Test, Module 7, Module 2, Module 3, PA Exam, WGU C955 Probability, WGU C995 Exam, Statistics Questions, WGU C955 Applied Probability, Module 1, Terms and Formulas, Module 4, Module 6, Module 5, Module 3, Module 6 Test, Module 7 Exam, ...
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What is 3/4 divided by 2/3? A) 9/8 B) 5/12 C) 5/7 D) 6/7 - Answer 9/8 A county park has hiking paths with lengths of 1.05, 3.6, 3.17, and 2.2 miles. What is the total length, in miles, of hiking paths in the park? A) 9.02 miles B) 10.02 miles C) 10.12 miles D) 11.2 miles - Answer 1...
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Add to cartWhat is 3/4 divided by 2/3? A) 9/8 B) 5/12 C) 5/7 D) 6/7 - Answer 9/8 A county park has hiking paths with lengths of 1.05, 3.6, 3.17, and 2.2 miles. What is the total length, in miles, of hiking paths in the park? A) 9.02 miles B) 10.02 miles C) 10.12 miles D) 11.2 miles - Answer 1...
Discrete data - Answer Has distinct values, can be counted, had unconnected points (think dots) Continuous data - Answer Has values within a range, measured not counted, does not have gaps between data points (data is connected lines or curves). Example of discrete data - Answer Days of the we...
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Add to cartDiscrete data - Answer Has distinct values, can be counted, had unconnected points (think dots) Continuous data - Answer Has values within a range, measured not counted, does not have gaps between data points (data is connected lines or curves). Example of discrete data - Answer Days of the we...
Histogram - Answer A graphical representation -- bars, measuring the frequency within each interval Skewed right - Answer Not a symmetric distribution, the tail is on the right Measures of center - Answer Median, the mean (and mode) Measures of spread - Answer Range, IQR & standard deviatio...
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Add to cartHistogram - Answer A graphical representation -- bars, measuring the frequency within each interval Skewed right - Answer Not a symmetric distribution, the tail is on the right Measures of center - Answer Median, the mean (and mode) Measures of spread - Answer Range, IQR & standard deviatio...
Changing Improper Fractions and Mixed Numbers - Answer Improper fractions can be converted to mixed numbers by following these steps: Write division problem with numerator divided by denominator. Divide to determine quotient and remainder. Write mixed number with the quotient as the whole n...
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Add to cartChanging Improper Fractions and Mixed Numbers - Answer Improper fractions can be converted to mixed numbers by following these steps: Write division problem with numerator divided by denominator. Divide to determine quotient and remainder. Write mixed number with the quotient as the whole n...
Boxplot - Answer an image that has min, Q1, median, Q3, max Histogram - Answer A graphical representation -- bars, measuring the frequency within each interval Skewed right - Answer Not a symmetric distribution, the tail is on the right, i.e. extra stuff on the right Measures of center - An...
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Add to cartBoxplot - Answer an image that has min, Q1, median, Q3, max Histogram - Answer A graphical representation -- bars, measuring the frequency within each interval Skewed right - Answer Not a symmetric distribution, the tail is on the right, i.e. extra stuff on the right Measures of center - An...
median vs IQR - Answer skewed data uses these for center and spread Histogram - when to use - Answer Based on the shape of the distribution, uses mean + standard deviation OR median + IQR to describe center and spread - Larger data sets; shows shapes of distribution and potential outliers; ...
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Add to cartmedian vs IQR - Answer skewed data uses these for center and spread Histogram - when to use - Answer Based on the shape of the distribution, uses mean + standard deviation OR median + IQR to describe center and spread - Larger data sets; shows shapes of distribution and potential outliers; ...
What is the probability of someone having a birthday in March or December? a 1/6 b 1/4 c 1/3 d 1/2 - Answer 1/6 The table below shows the breakdown of workers at a business. What is the probability of selecting a worker who is over 45 years of age to the nearest hundredth? Age 18−2...
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Add to cartWhat is the probability of someone having a birthday in March or December? a 1/6 b 1/4 c 1/3 d 1/2 - Answer 1/6 The table below shows the breakdown of workers at a business. What is the probability of selecting a worker who is over 45 years of age to the nearest hundredth? Age 18−2...
Which of the following numbers is taken out to the hundredths place? a 1.1 b 1 c 1.04 d 1.047 - Answer 1.04 Please evaluate the following expression: (Be sure to convert your answer to a mixed number or reduce the fraction to its lowest terms.) 6 3/8 + 4 1/2 = ? a 10 3/8 b 10 5/8 c 10 ...
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Add to cartWhich of the following numbers is taken out to the hundredths place? a 1.1 b 1 c 1.04 d 1.047 - Answer 1.04 Please evaluate the following expression: (Be sure to convert your answer to a mixed number or reduce the fraction to its lowest terms.) 6 3/8 + 4 1/2 = ? a 10 3/8 b 10 5/8 c 10 ...
quantitative data - Answer Quantitative data consists of data values that are numbers, representing quantities that can be counted or measured. The Empirical Rule - Answer According to The Empirical Rule, approximately 68% of the data points in a dataset will be within 1 standard deviation of the...
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Add to cartquantitative data - Answer Quantitative data consists of data values that are numbers, representing quantities that can be counted or measured. The Empirical Rule - Answer According to The Empirical Rule, approximately 68% of the data points in a dataset will be within 1 standard deviation of the...
Discrete data - Answer Has distinct values, can be counted, had unconnected points (think dots) Continuous data - Answer Has values within a range, measured not counted, does not have gaps between data points (data is connected lines or curves). Example of discrete data - Answer Days of the we...
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Add to cartDiscrete data - Answer Has distinct values, can be counted, had unconnected points (think dots) Continuous data - Answer Has values within a range, measured not counted, does not have gaps between data points (data is connected lines or curves). Example of discrete data - Answer Days of the we...
Whole Number - Answer a number without fractions; no negitives Integer - Answer can be either a positive number, a negative number, or zero Rational Number - Answer can be expressed as a fraction Real Number - Answer any number that can be placed on the number line, whether that be negative...
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Add to cartWhole Number - Answer a number without fractions; no negitives Integer - Answer can be either a positive number, a negative number, or zero Rational Number - Answer can be expressed as a fraction Real Number - Answer any number that can be placed on the number line, whether that be negative...
Identify the number of terms and the coefficient for the x term in the expression: 4x−3y+7 a Terms: 2 ; Coefficient: −3 b Terms: 2 ; Coefficient: 4 c Terms: 3 ; Coefficient: −3 d Terms: 3 ; Coefficient: 4 - Answer Terms: 3 ; Coefficient: 4 What is the equation of the graph in slop...
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Add to cartIdentify the number of terms and the coefficient for the x term in the expression: 4x−3y+7 a Terms: 2 ; Coefficient: −3 b Terms: 2 ; Coefficient: 4 c Terms: 3 ; Coefficient: −3 d Terms: 3 ; Coefficient: 4 - Answer Terms: 3 ; Coefficient: 4 What is the equation of the graph in slop...
What are all the positive factors of 36? - Answer 1,2,3,4,9,12,18,36 Which of each of the following would you use to classify sqrt(16) ? Prime or Composite? Odd or Even? Rational or Irrational? - Answer Composite, Even, Rational Is 2 a prime or composite number? - Answer prime Fill in the b...
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Add to cartWhat are all the positive factors of 36? - Answer 1,2,3,4,9,12,18,36 Which of each of the following would you use to classify sqrt(16) ? Prime or Composite? Odd or Even? Rational or Irrational? - Answer Composite, Even, Rational Is 2 a prime or composite number? - Answer prime Fill in the b...
Basic probability - Answer #of total come# of total outcome in the sample space P(B | A) - Answer conditional probability P(A and B)=P(A) • P(B) - Answer multiplication rule- independent events P(A and B)= P(A) • P(B|A) - Answer multiplication rule- dependent events P(A or B)= P(A)...
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Add to cartBasic probability - Answer #of total come# of total outcome in the sample space P(B | A) - Answer conditional probability P(A and B)=P(A) • P(B) - Answer multiplication rule- independent events P(A and B)= P(A) • P(B|A) - Answer multiplication rule- dependent events P(A or B)= P(A)...
If 200 people are surveyed, how many claim to have had no exercise? {{ Pie chart reflecting the average number of hours exercised per week. No exercise 36%, 1 - 2 hours 28%, 3 - 4 hours 12%, 4 - 5 hours 10%, 5 - 6 hours 8%, 6 - 7 hours 4%, more than 7 hours 2%. }} a 18 b 36 c 72 d Canno...
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Add to cartIf 200 people are surveyed, how many claim to have had no exercise? {{ Pie chart reflecting the average number of hours exercised per week. No exercise 36%, 1 - 2 hours 28%, 3 - 4 hours 12%, 4 - 5 hours 10%, 5 - 6 hours 8%, 6 - 7 hours 4%, more than 7 hours 2%. }} a 18 b 36 c 72 d Canno...
skewed right - Answer A skewed distribution where the long tail of the curve is on the positive side of the peak. skewness - Answer A measure of the degree to which a probability distribution "leans" toward one side of the average, where the median and mean are not the same. the Standard Dev...
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Add to cartskewed right - Answer A skewed distribution where the long tail of the curve is on the positive side of the peak. skewness - Answer A measure of the degree to which a probability distribution "leans" toward one side of the average, where the median and mean are not the same. the Standard Dev...
A researcher wants to know if there was a relationship between student age and desire to complete a college degree. To answer this question, the researcher used a local community college as the sampling frame and then used stratified sampling to get a sample of students from 18 to 80 years old. Base...
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Add to cartA researcher wants to know if there was a relationship between student age and desire to complete a college degree. To answer this question, the researcher used a local community college as the sampling frame and then used stratified sampling to get a sample of students from 18 to 80 years old. Base...
The relationship between the two variables on a scatterplot can be measured by what statistic? {{ Scatterplot of sales on the x-axis and profit index on the y-axis. }} a Correlation coefficient ( r ) b Regression c ANOVA d Chi-square - Answer Correlation coefficient ( r ) A study was co...
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Add to cartThe relationship between the two variables on a scatterplot can be measured by what statistic? {{ Scatterplot of sales on the x-axis and profit index on the y-axis. }} a Correlation coefficient ( r ) b Regression c ANOVA d Chi-square - Answer Correlation coefficient ( r ) A study was co...
terminal decimal - Answer A decimal number that has a finite number of digits. improper fraction - Answer A fraction where the the number in the numerator is more than the number in the denominator. denominator - Answer The number written after the slash, or below the fraction bar, in a fracti...
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Add to cartterminal decimal - Answer A decimal number that has a finite number of digits. improper fraction - Answer A fraction where the the number in the numerator is more than the number in the denominator. denominator - Answer The number written after the slash, or below the fraction bar, in a fracti...
Conditional Probability (and Probability) - Answer P(B|A) = P(A and B)/P(A) or P(A|B) = P(A and B)/P(B) Determining Independence - Answer P(B|A) = P(B) or P(A and B) = P(A) x P(B) can be used. Multiplication Rule for Independent Events - Answer If two events are independent, the...
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Add to cartConditional Probability (and Probability) - Answer P(B|A) = P(A and B)/P(A) or P(A|B) = P(A and B)/P(B) Determining Independence - Answer P(B|A) = P(B) or P(A and B) = P(A) x P(B) can be used. Multiplication Rule for Independent Events - Answer If two events are independent, the...
empirical probability - Answer An estimation of probability derived from recording data about what has happened during a series of experiments. complement - Answer An event that is the opposite of another event. The complement of heads when flipping coins is tails. The probabilities of an event a...
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Add to cartempirical probability - Answer An estimation of probability derived from recording data about what has happened during a series of experiments. complement - Answer An event that is the opposite of another event. The complement of heads when flipping coins is tails. The probabilities of an event a...
regression equation - Answer An equation used to model the relationship between the response and explanatory variables in a regression. extrapolate - Answer Using information from a data set to make predictions about data outside of the original set. significant difference - Answer A measurabl...
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Add to cartregression equation - Answer An equation used to model the relationship between the response and explanatory variables in a regression. extrapolate - Answer Using information from a data set to make predictions about data outside of the original set. significant difference - Answer A measurabl...
Order of Operations - Answer A set of rules that defines the order in which mathematical operations should be performed. unlike terms - Answer Terms that do not have the same variable(s) with the same exponent(s). These terms can not be combined using addition or subtraction. ordered pairs - A...
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Add to cartOrder of Operations - Answer A set of rules that defines the order in which mathematical operations should be performed. unlike terms - Answer Terms that do not have the same variable(s) with the same exponent(s). These terms can not be combined using addition or subtraction. ordered pairs - A...
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