+ -/4 points PriviteraStats3 15. My Not A researcher measures the relationship between the number of interruptions during a class and time spent...
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5.
+ -/4 points
PriviteraStats3 15.E.019.
My Not
A researcher measures the relationship between the number of interruptions during a class and time spent &quot;on task&quot; (in minutes). Answer the following questions based on the results provided.
Number of
Interruptions
Time Spent &quot;On Task&quot;
9
16
W
37
7
17
2
31
Part (a)
Compute the Pearson correlation coefficient. (Round your answer to three decimal places.)
Part (b)
Multiply each measurement of interruptions times 3 and recalculate the correlation coefficient. (Round your answer to three decimal places.)
Part (c)
Divide each measurement in half for time spent &quot;on task&quot; and recalculate the correlation coefficient. (Round your answer to three decimal places.)
Part (d)
True or false: Multiplying or dividing a positive constant by one set of scores (X or Y) does not change the correlation coefficient. Note: Use your answers in (a) to (c) to answer true or false.
True
False

Top Answer

a. r=-0.914 b.... View the full answer

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