542

246

361

316

534

691

105

13

264

644

239

785

124

369

582

473

246

15

35

657

684

923

125

364

195

56

681

362

15

25

355.7

264.7522

How much time do you spend talking on your phone per day? Guess 330 minutes,

Secure the data from your phone for the past month and conduct a one sample hypothesis test of the mean length of your phone calls per day.

Use a significance level of 0.05. You will have 30 data values showing the total of minutes you spend per day.

n=30