Question

In chapter 12, we found a statistically significant correlation between overall performance in class and how much time someone studied. Use the summary statistics calculated in that problem (provided here) to compute a line of best fit predicting success from study times: X? = 1.61, sX = 1.12, Y? = 2.95, sY = 0.99, r = 0.65. yhat = 1.61X + 2.95 yhat = 2.95X + 1.61 yhat = 1.53 X + 0.88 yhat = 0.88X + 1.53

          In chapter 12, we found a statistically significant correlation between overall performance in class and how much time someone studied. Use the summary statistics calculated in that problem (provided here) to compute a line of best fit predicting success from study times: X? = 1.61, sX = 1.12, Y? = 2.95, sY = 0.99, r = 0.65.
yhat = 1.61X + 2.95
yhat = 2.95X + 1.61
yhat = 1.53 X + 0.88
yhat = 0.88X + 1.53

In chapter 12, we found a statistically significant correlation between overall performance in class and how much time someone studied. Use the summary statistics calculated in that problem (provided here) to compute a line of best fit predicting success from study times: X? = 1.61, sX = 1.12, Y? = 2.95, sY = 0.99, r = 0.65.
yhat = 1.61X + 2.95
yhat = 2.95X + 1.61
yhat = 1.53 X + 0.88
yhat = 0.88X + 1.53

Added by Cheryl J.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Ivan Kochetkov

05/21/2024

Step 1

The question seems to have some formatting issues, making it difficult to understand the exact values provided. However, it appears that we are given the mean of X (study time) as \( X = 1.61 \). The other values provided seem to be related to standard deviations Show more…

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