The hypothesis is a right tailed left tailed two tailed t

_______________

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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?

Solution

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.