Reference no: EM131572694

The? world's smallest mammal is the bumblebee bat. Shown to the right are weights?(in grams) from a sample of those bats. Use the traditional method and a significance level of .05 to test the claim that these bats come from the same population having a mean weight equal to 1.8 g.

1.65

1.58

1.47

1.92

2.25

1.54

1.55

1.78

1.48

1.67

2.13

1.35

1.54

1.57

1.57

Choose the correct answer below.

A. Do not reject H0 since the test statistic -2.011 is between the critical values -2.145 and 2.145.

B. Reject H0 since the test statistic -7.460 is not between the critical values -2.145 and 2.145.

C. Do not reject H0 since the test statistic -7.460 is not between the critical values -2.145 and 2.145.

D. Reject H0 since the test statistic -2.011 is between the critical values -2.145 and 2.145.