Solution-Compute a pearsons correlation coefficient

Compute a pearsons correlation coefficient

Assignment Help Basic Statistics

Reference no: EM13236823

A statistics instructor is interested in the correlation (Pearson r) between how many hours a student sleeps the night before the final examination and the students score on the final examination. Use the following information to answer the questions below.

Student	Sleep (hrs)	Final
Barbara	8	96
Michael	6.3	75
Tina	10.5	88
Sharene	6.8	65
Destiny	8.5	82
Courtney	7.5	70
William	9	100
Kobe	7.5	84
Missy	6.5	73
Jose	8.2	96
Jeffrey	8.7	87

(a) Compute a Pearson's correlation coefficient for these data.

(b) Determine whether the correlation is significant.

(d) Calculate the regression slope and Y-intercept.

(e) Use the regression equation to predict the final examination grade for a student who sleeps 7.0 hours.

Reference no: EM13236823

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Compute a pearsons correlation coefficient

Reference no: EM13236823

Reference no: EM13236823

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