Question

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Is there sufficient evidence to support the claim that there is a linear correlation between the weights of bears and their chest​ sizes? Choose the correct answer below​ and, if​ necessary, fill in the answer box within your choice.

Fifty-four wild bears were anesthetized, and then their weights and chest sizes were measured and listed in a data set. Results are shown in the accompanying display. Is there Correlation Results sufficient evidence to support the claim that there is a linear correlation between the weights of bears and their chest sizes? When measuring an anesthetized bear, is it easier to measure chest size than weight? If so, does it appear that a measured chest size can be used to predict the weight? Use a significance level of α: 0.05. ation coeff, r: 0.961527 Critical r P-value (two tailed): 0.000 0.2680855 O A. Yes, because the absolute value of the test statistic B. No, because the test statisticfalls between the critical values. exceeds the critical value. C. No, because the absolute value ofthe test statistic exceeds the critical value. OD. Yes, because the test statisticfals between the critical values. O E. The answer cannot be determined from the given information. When measuring an anesthetized bear, is it easier to measure chest size than weight? If so, does it appear that a measured chest size can be used to predict the weight? O A. Yes, it is easier to measure a chest size than a weight because measuring weight would require lifting the bear onto the scale. The chest size could be used to predict weight because there is a linear B. No, it is easier to measure weight than chest size because the chest is not a flat surface O C. Yes, it is easier to measure a chest size than a weight because measuring weight would require lifting the bear onto the scale. The chest size could not be used to predict weight because there is not a linear ○ D Yes, it is easier to measure a chest sze than a weight because measuring weight would require ng the bear onto he scale. The chest sze could not be used o predict weight because there is too much correlation between the two correlation between the two. variance in the weight of the bears.

Answer 1

1) option A is correct ; yes because the absolute value of the test statsitic 0.962 exceeds the critical value

2)option A is correct ; Yes it is easier to measure a chest size..........