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this is for reference, uploading the actual questions next. . please help with questions 7,8 and 9 QUESTION 4 Using these data: A statistics professor

this is for reference, uploading the actual questions next. . please help with questions 7,8 and 9

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QUESTION 4 Using these data: A statistics professor conducts a study to investigate the relationship between the performance of his students on quizzes and their stress levels. Ten students from his class are selected for the experiment. Just before taking a quiz, the 10 students are given a psychological questionnaire for determining stress levels. Here are the quiz (quiz is out of 20 possible points) and stress level scores for the 10 students: Stress Levels 4 00 N 7 Quiz 17 18 13 16 19 18 12 15 16 15 Using SPSS, create a scatter plot. Looking at the graph you created, would you characterize the relationship as positive or negative? Why? Negative; as stress increases, quiz scores decrease O Negative; as stress increases, quiz scores increase Positive; as stress increases, quiz scores increase O Positive; as stress increases, quiz scores decrease QUESTION 5 Using the variables "hrs_slept" (average hours slept per night) and "quiz_scores" for the data displayed below, use SPSS to answer Questions 5 - 10: Hrs Slept 10 Quiz Scores in N Compute Pearson r for the relationship between Hrs_Slept and Quiz_Scores Round to three decimal placesQUESTION 7 Compute the regression equation predicting Quiz_Scores from Hrs_Slept. Based on your SPSS output, what is the y-axis intercept? Round to three decimal places QUESTION 8 Based on your SPSS regression output, what is the value for the regression slope? Round to three decimal places QUESTION 9 Using your SPSS regression output, what is the standard error of estimate? Round to two decimal places

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