[See Steps] The average take-out order size for Ashoka Curry House restaurant is shown. Customer order size Statistic Friday night Saturday night Mean order size
Question: The average take-out order size for Ashoka Curry House restaurant is shown.
Customer order size
Statistic Friday night Saturday night
Mean order size
1
= 22.32
2
= 25.56
Standard deviation s 1 = 4.35 s 2 = 6.16
Number of orders n 1 = 13 n 2 = 18
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Assuming equal variances, at α = .05, choose the appropriate hypothesis to test for a significant difference in order size between Friday night and Saturday night.
H 1 : μ 1 ≠ μ 2 versus H 0 : μ 1 = μ 2
H 0 : μ 1 = μ 2 versus H 1 : μ 1 ≠ μ 2
b. If t* > 2.045 or t* < – 2.045, you should: Fail to reject the null hypothesis
Reject the null hypothesis
c. t* = ___ -1.6232 ______ p-value = ____ 0.1154 ________
d. What is your decision? Reject the null hypothesis or Fail to reject the null hypothesis
e. Do you infer that there a significant difference in the order sizes? Yes No
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