See below

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Statistical Test

Day Customer

Mean	28.34
Standard Error	1.19
Median	27.44
Mode	#N/A
Standard Deviation	6.53
Sample Variance	42.70
Kurtosis	-0.73
Skewness	0.12
Range	24.77
Minimum	16.11
Maximum	40.88
Sum	850.21
Count	30

Evening Customer

Mean	30.52
Standard Error	1.01
Median	29.92
Mode	#N/A
Standard Deviation	5.53
Sample Variance	30.58
Kurtosis	2.88
Skewness	1.08
Range	28.42
Minimum	19.35
Maximum	47.78
Sum	915.65
Count	30

H0: µ day purchase and µ evening purchase are =

Ha: µ day purchase and µ evening purchase are ≠

t-Test: Two-Sample Assuming Equal Variances

	Evening Customer Purchase	Day Customer Purchase
Mean	30.52165	28.34023
Variance	30.57968	42.7006
Observations	30	30
Pooled Variance	36.64
Hypothesized Mean Difference	0
df	58
t Stat	1.3948
P(T<=t) one-tail	0.084
t Critical one-tail	1.671553
P(T<=t) two-tail	0.1681
t Critical two-tail	2.001717

= the number of the evening customers

= the number of the day customers

= the pooled estimate of the population variance

= the sample variance of the evening customers

= the sample variance of the day customers

Reject

Fail to Reject

-2.00

2.00

t= 1.39

If the test statistic is less than 2.00 or greater than 2.00, then we would reject the null hypothesis. The test statistic is 1.39, which would therefore fall into the fail to reject region.