Question 11 W Baseball statisticians studied how often triples (a certain event in a baseball game) occurred in professional games played between 1947 and 2017. A 98 percent confidence interval to estimate the slope of the linear regression line relating the year, x, and the mean number of triples per game, y, yielded (-0.006, –0.002). A check shows that the conditions necessary for inference for the slope of the regression line are met. Based on the confidence interval, which of the following claims is supported? A The mean number of triples per game is between 0.002 and 0.006. в The number of triples per game has increased, on average, per year. There is no linear relationship between the mean number of triples per game and year. D There is a negative linear relationship between the mean number of triples per game and year. E A conclusion cannot be made about the relationship between year and mean number of triples per game because the values are close to 0.

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Question 11 W
Baseball statisticians studied how often triples (a certain event in a baseball game) occurred in professional games played between 1947 and 2017. A 98 percent confidence
interval to estimate the slope of the linear regression line relating the year, x, and the mean number of triples per game, y, yielded (-0.006, –0.002). A check shows that
the conditions necessary for inference for the slope of the regression line are met.
Based on the confidence interval, which of the following claims is supported?
A
The mean number of triples per game is between 0.002 and 0.006.
в
The number of triples per game has increased, on average, per year.
There is no linear relationship between the mean number of triples per game and year.
D
There is a negative linear relationship between the mean number of triples per game and year.
E
A conclusion cannot be made about the relationship between year and mean number of triples per game because the values are close to 0.
Transcribed Image Text:Question 11 W Baseball statisticians studied how often triples (a certain event in a baseball game) occurred in professional games played between 1947 and 2017. A 98 percent confidence interval to estimate the slope of the linear regression line relating the year, x, and the mean number of triples per game, y, yielded (-0.006, –0.002). A check shows that the conditions necessary for inference for the slope of the regression line are met. Based on the confidence interval, which of the following claims is supported? A The mean number of triples per game is between 0.002 and 0.006. в The number of triples per game has increased, on average, per year. There is no linear relationship between the mean number of triples per game and year. D There is a negative linear relationship between the mean number of triples per game and year. E A conclusion cannot be made about the relationship between year and mean number of triples per game because the values are close to 0.
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