This table contains the cost per ounce ($USD) for a sample of 14 dark chocolate bars:

0.66

0.74

0.97

1.33

1.56

0.91

0.73

0.57

1.57

0.53

0.67

0.87

1.49

0.95

a. Construct a 98% Confidence Interval estimate for the population cost per ounce of dark chocolate bars. (Have to find the sample mean and standard deviation first; sample mean becomes your point estimate)

b. Construct a 90% confidence interval estimate using the same data.

Which estimate gives the larger range of data?