Kizspy | Question: 4
(Choose 1 answer)
The amount of time required to reach a customer service representative has a huge impact on customer satisfaction. See
picture for the Excel output from a study 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.
Which of the following represents the relevant hypotheses tested?
A. (i)
B. (ii)
C. (iii)
D. (iv)
t-Test: Two-Sample Assuming Unequal Variances
Hotel 1
Hotel 2
Mean
2.214
Variance
2.951657
Observations
20
2.0115
3.57855
20
Hypothesized Mean
Difference
0
df
38
t Stat
0.354386
P(T<t) one-tail
0.362504
t Critical one-tail
1.685953
P(T<=t) two-tail
0.725009
t Critical two-tail
2.024394
(i)
Ho: -0 versus H₁: μ-P < 0
(ii)
Ho: M-0 versus H₁: μ-μ > 0
(iii) HoM-M = 0 versus H₁: μ-μ₁ = 0
(iv) Ho - 0 versus H₁: μ-μ= 0
