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Including multiple choice answers to help answer each question on worksheet.

6-1 INTRODUCTION TO SIMPLE LINEAR REGRESSION ANALYSIS PRE-ACTIVITY Use the scatterplot showing the relationship between study time and quiz score to answer the questions below. Quiz Score (20 pts total) vs. Study Time (hrs) ... .. 2 .. . 4 10 Quiz Score (20 pts total) .. .... O Study Time (hrs) 1. a. Find the quiz score for the student who studied for 2 hours. b. Find the highest quiz score among the students who studied for 15-30 minutes. c. The research question is and the population of interest is d. The explanatory or independent (x) variable is and the response or dependent (y) variable is e. Both of these variables are categorical quantitative. This study is an observational study experiment. f. Which of the following is most likely the value of the correlation coefficient for the data? i. 0.788 iii. -0.77 V. 0.2 ii. 0.99 iv. -0.1 g. Describe the relationship (scatterplot pattern) between quiz score and study time. Hint: See Getting Started for examples. h. From the scatterplot, does it appear that quiz score is related to study time? Explain. 220 Learning Through Practice: Statistical Reasoning