Skewed right - Study guides, Class notes & Summaries

Categorical Frequency Distribution Correct Answer-used for data that can be placed in specific categories such as nominal or ordinal level data Grouped Frequency Distribution Correct Answer-When the range of the data is large, the data are separated into groups called class intervals. Histogram Correct Answer-Is a graph that displays the data by using contiguous vertical bars of various heights to represent the frequencies of classes. Frequency Polygon Correct Answer-Is a graph that dis...

Statistics Chapter 3 Homework Questions and Answers 100% Pass 3.1 What does it mean if a statistic is resistant? Choose the correct answer below. A. Extreme values (very large or small) relative to the data do not affect its value substantially. B. Extreme values (very large or small) relative to the data affect its value substantially. C. Changing particular data values affects its value substantially. D. An estimate of its value is extremely close to its actual value. - Answer-A. ...

Marginal Distribution correct answer: The distribution of values of a variable among all individuals described by the table. (Percent of something out of the total) Conditional Distribution correct answer: The distribution of values of a variable among individuals who have a specific value of another variable. (Percent of a specific something out of that specific total) Association correct answer: When specific values of one variable tend to occur in common with specific values of anoth...

Of the following dotplots, which represents the set of data that has the greatest standard deviation? : B split in half A random sample of 374 United States pennies was collected, and the age of each penny was determined. According to the boxplot below, what is the approximate interquartile range (IQR) of the ages? graph A 8 B 10 C 16 2 | P a g e D 40 E 50 : C 16 graph The histogram above shows the number of minutes needed by 45 students to finish playing a computer ga...

a group counselor uses techniques based on implosive therapy in her work. which theorist is responsible for implosive therapy? a. ellis b. beck c. janov d. stampfl - correct answer d. stampfl - abreactive form of therapy often used with highly phobic clients. clients are induced to read or hear about or imagine frightening depictions of what might happen if they are forced to face their fear. idea is that the person will become desensitized a group counselor decides to make graphs of the ...

BESC 3010 Practice Final Questions And Answers Graded A+. In a sample of women, the number of children that each woman has is an example of which level of measurement? A. nominal B. ordinal C. interval D. ratio - correct answer.Ratio Remember with ratio you can have an absolute zero of something. Military ranks are an example of what level of measurement? A. nominal b. ordinal C. interval D. ratio - correct al; because one person has a higher rank than another but doesn...

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 - Answer- Median, the mean (and mode) Measures of spread - Answer- Range, IQR & standard deviation Standard Deviation Rule - Answer- 68% of the data are within 1 standard deviation,

Student name:__________ TRUE/FALSE - Write 'T' if the statement is true and 'F' if the statement is false. 1) A stem-and-leaf display is a graphical portrayal of a data set that shows the data set's overall pattern of variation. ⊚ true ⊚ false 2) The relative frequency is the frequency of a class divided by the total number of measurements. ⊚ true ⊚ false 3) A bar chart is a graphic that can be used to depict qualitative data. ⊚ true ⊚ false 4) Stem-and-leaf displays and dot plo...

What is a dotplot? correct answer: A graphical display which shows "dots" for each point. It's good for categorical data- ie data classified into categories. What's the difference between categorical and quantitative data? correct answer: Categorical data fits into various categories; whereas, quantitative data has numerical values associated with it. What is a bar chart? correct answer: A display for categorical data which indicates frequencies or percents for each category. Wha...

1. What is a dummy/binary/indicator variable? 2. What are the 2 types of data? 3. What is econometrics? 4. What are the 2 branches of statistics? correct answers 1. Takes values of 0 or 1 to indicate whether some condition is met 0 = no 1 = yes 2. i. Experimental = researcher manipulates the values to see the effect --> Hard to run large experiments ii. Observational = real world observations of how variables relate to each other (most of econ) 3. Econometrics = statistical ana...