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Question 1 1. In which of the following scenarios would the correlation coefficient be closest to -1.0?
Question 2 2. Which of the following is visually represented in a scatterplot?
The chart below contains the information for ten students in an English course. Column A contains each student's anonymous ID number. Column B shows how many classes each student attended, and Column C shows how that student performed on the final exam.
Question 3 3. Calculate the correlation coefficient for the data set. All necessary calculations have been provided to you.
Question 4 4. What is the formula for finding slope and intercept when performing a regression analysis?
Question 5 5. Select the plot that violates the homoscedasticity assumption.
Question 6 6. Which of the following questions MOST likely fits this regression plot?
Juyun is preparing for a job interview. As she looks in the mirror, she takes a deep breath and feels a sense of confidence. She's not quite sure why, but she has a great feeling about this interview and is certain she is going to get this job.
This is an example of _____.
Question 8 8. Reina is a senior in high school. She is preparing her college application for Maple Valley College. According to their bulletin, admitted students had a GPA range of 2.8 (25th percentile) to 3.5 (75th percentile). Reina has a GPA of 3.8. Which of the following statements is MOST accurate?
Question 9 9. What does K intersection T equal?
Question 10 10. Which measure of central tendency should be used to figure out the value that is MOST popular?
The following spreadsheet contains the score that each student in Mr. Park's class received on their quiz, along with information on whether the student passed the quiz. Study the spreadsheet carefully and then answer the questions that follow.
Question 11 11. Mr. Park decides to change the passing grade on the exam to an 85. How should he write the formula in cell C12?
The image below contains the scores that each of the 20 students in Mr. Grover's class received on their final exam. Study the chart and answer the questions that follow.