A scatterplot shows - Study guides, Class notes & Summaries

1. When one variable causes change in another, we call the first variable the variable*. The affected variable is called the variable*. Answer: When one variable causes change in another, we call the firstvariable the explanatory variable*. The affected variable is called the response variable*. In a randomized experiment, the researcher manipulates values of the explanatory variable and measures the resulting changes in the response variable. The different values of the explanatory varia...

WGU C955 Latest Update – Complete and Accurate (Wrap before OA) Just categorical pie chart ( part of a whole ) or bar chart just quantitative histogram ( for intervals) stem plot ( for exact values ) or boxplot or dot plot ( less common) categorical > categorical contingency - (two way) table to create conditional percentages Quantitative > Quantitative scatterplot and use correlation coefficient categorical > quantitive side by side boxplots and use five number summary histogra...

1. Question: An instructor wants to compare spread (variation) of final grades of students in her online class and face-to-face class. The instructor selects 10 students randomly from each class and the following table shows the final grades of those students. See Attached Excel for Data. 2. Question: The lengths (in kilometers) of rivers on the South Island of New Zealand that flow to the Tasman Sea are listed below. Find the variance. See Attached Excel for Data. Use the Excel function to fin...

1. Question: An instructor wants to compare spread (variation) of final grades of students in her online class and face-to-face class. The instructor selects 10 students randomly from each class and the following table shows the final grades of those students. See Attached Excel for Data. 2. Question: The lengths (in kilometers) of rivers on the South Island of New Zealand that flow to the Tasman Sea are listed below. Find the variance. See Attached Excel for Data. Use the Excel function to fin...

WGU C784-Statistics Mod 5 Exam Questions and Answers 100% pass When one variable causes change in another, we call the first variable the ___________________ variable*. The affected variable is called the _______________ variable*. - Answer- When one variable causes change in another, we call the first variable the explanatory variable*. The affected variable is called the response variable*. In a randomized experiment, the researcher manipulates values of the explanatory variable and me...

WGU C955 Exam Questions With 100% Correct Answers 2023 numbers, representing quantities that can be counted or measured. The Empirical Rule - Correct Answer-According to The Empirical Rule, approximately 68% of the data points in a dataset will be within 1 standard deviation of the mean. 95% of all values are within 2 standard deviations of the mean. Normal distribution - Correct Answer-In a normal distribution data is symmetrical, so the mean, median, and mode are all equal. measure o...

Stats Exam 78%Latest Update 2024. The data in the table represent the height of an object over time. Which model best represents the data? quadratic, because the height of the object increases or decreases with a multiplicative rate of change quadratic, because the height increases and then decreases exponential, because the height of the object increases or decreases with a multiplicative rate of change exponential, because the height increases and then decreases - CORRECT ANSWER qua...

WGU D352 Section 1 exam 2024 With qustions and correct answers(Aactual Exam 100%) The relationship between two variables that are both quantitative can be displayed in a __________________________. - -scatterplot; The affected variable is called the _______________ variable*. - - When one variable causes change in another, we call the first variable the explanatory variable*. The affected variable is called the response variable*. In a randomized experiment, the researcher manipulates...

Ch3 1. To examine relationships between two categorical variables, we can use: a. b. c. d. ANSWER: POINTS: DIFFICULTY: TOPICS: OTHER: counts and corresponding charts of the counts scatter plots histograms none of these choices a 1 Easy | Bloom's: Knowledge A-Head: 3-2 Relationships Among Categorical Variables BUSPROG: Analytic | DISC: Descriptive Statistics 2. Tables used to display counts of a categorical variable are called: a. crosstabs b. contingency tables c. either crosstabs ...

1. Question: An instructor wants to compare spread (variation) of final grades of students in her online class and face-to-face class. The instructor selects 10 students randomly from each class and the following table shows the final grades of those students. See Attached Excel for Data. 2. Question: The lengths (in kilometers) of rivers on the South Island of New Zealand that flow to the Tasman Sea are listed below. Find the variance. See Attached Excel for Data. Use the Excel function to fin...