Suomic rest Select the correct correlation coefficient, description, and interpretation in the table.
A high school softball coach recorded the average amount of time spent at batting practice each week and the total number of hits for the
season for each player. The results are shown in the table below.
Weekly Batting
60
Practice (minutes)
90 100 105 110 110 115 120 125 140
Number of
20
Hits
13 11 22 30 20 31 35 31 28
Determine the approximate value, description, and interpretation of the correlation coefficient for the given data.
Correlation Description of
Interpretation of
Coefficient Linear Correlation
Correlation coefficient
As a player gets more hits through the season,
she increases the amount of time
0.59 Positive correlation
spent in batting practice.
-0.65 Negative correlation
The more time a player spends in weekly
batting practice, the greater number of hits
0.65
No correlation
she can expect to get in the season.
Weekly batting practice time and
the number of hits in a season are not related.
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