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_______________ _______________ The hypothesis is a _____________(right tailed,

ID: 3436611 • Letter: #

Question

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The hypothesis is a _____________(right tailed, left tailed, two tailed ) test.

b) compute the p value and round the answer to four decimal places: ___________________

c) determine whether to reject H 0: ____________________

d) State a conclusion:Can you conclude that the mean number of dinners increased while the free dessert offer was in effect?

Monday was 150. Following are the numbers of diners on a random sample of 12 days while E the offer was in effect. 215 l18 , 200 161 221 148 152 160 183 229 201 162 Use the a -0.0s level of significance and the p-value method with the T-84 calculator. Can you conclude that the mean number of dinners increased while the free dessert offer was in effect?

Explanation / Answer

d) Yes. The mean number of dinners increased while the free dessert offer was in effect

Ha: Mean >150 The hypothesis is a __(right tailed ) test. b) For p value find sample mean and std dev. Mean 184.17 std dev 27.15 stderror 8.186033 t statistic 4.174183 p value 0 Reject null hypothesis.