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For a sample of eight bears, researchers measured the distances around the bears' chests and weighed the bears. Minitab was used to find that the
For a sample of eight bears, researchers measured the distances around the bears' chests and weighed the bears. Minitab was used to find that the value of the linear correlation coefficient is r=.959. Using a as =0.05, determine if there is a linear correlation between chest size and weight.
Is there a linear correlation between chest size and weight? (A,B,C, or D)
- (a) No, because the absolute value of the test statistic exceeds the critical value of 0.707.
- (b) Yes, because the absolute value of the test statistic exceeds the critical value of 0.707
- (c) Yes, because the test statistic falls between the critical values of -0.707 and 0.707
- (d) The answer cannot be determined from the given information
What proportion of the variation in weight can be explained by the linear relationship between weight and chest size? (Round to 3 decimals)
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