The average take-out order size for Ashoka Curry House restaurant is shown. Assuming equal variances, at α = 0.05, is there a significant difference in the order sizes? Customer Order Size (dollars)...


The average take-out order size for Ashoka Curry House restaurant is shown. Assuming equal variances, atα = 0.05, is there a significant difference in the order sizes?





































Customer Order Size (dollars)
StatisticFriday NightSaturday Night
Mean order size
x⎯⎯1x¯1=
22.32x⎯⎯2x¯2 =25.56
Standard deviation
s
1 =
4.35
s
2


=
6.16
Number of orders
n
1 =
13
n
2


=
18


(b)Specify the decision rule.(A negative value should be indicated by a minus sign. Round your answers to 3 decimal places.)


Reject the null hypothesis ift
calc >  ort
calc <>


(c)Find the test statistict
calc.
(A negative value should be indicated by a minus sign. Do not round your intermediate values and round your final answer to 4 decimal places.)



t
calc
(e-1)Use Excel to find thep-value.(Round your answer to 4 decimal places.)



p-value



Jun 07, 2022
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