(Choose 1 answer)
(See picture)
Α. 2.0244
The amount of time required to reach a customer service representative has a huge impact on customer satisfaction. Below is the Excel output for significance level 0.05 from a study to see whether there is evidence of a difference in the mean amounts of time required to reach a customer service representative between two hotels. Assume that the population variances in the amount of time for the two hotels are not equal.
B. 1.6860
C. -2.0244 and 2.0244
D. -1.6860 and 1.6860
t-Test: Two-Sample Assuming Unequal Variances
Hotel 1
2.214
Hotel 2
Mean
Variance
2.951657
20
0
2.0115
3.57855
20
Observations
Hypothesized Mean
Difference
df
38
t Stat
0.354386
vant
fini
ExQ: 25
