A performance score was based on 27 questions. The subjects were 194 people chosen at random from a telephone directory. Here are the means and standard deviations of the performance scores for the sample.

Store Type- x s

________________

Food store- 18.75 24.77

Mass merch 32.66 33.67

Pharmacy 48.41 35.33

Give the 98% confidence intervals for the mean performance for each type of store.

Food- __________, _____________

Mass merch-___________,____________

Pharmacy-____________, ______________