You suspect that the average time to get a hotel room cleaned is greater than 20 minutes.

a.Would you use a one sample or two sample t-test?

One sample t-test

b.Would you use a one tailed or 2 tailed t-test?

2 tailed t-test

c.State the null hypothesis and the alternative hypothesis.

Null Hypothesis - The average time to get a hotel room cleaned is greater than 20 minutes.

Alternative Hypothesis - The average time to get a hotel room cleaned is

Less than 20 minutes.

d.Below is partial output from the analysis.Based on the output and an alpha of .05, would you reject or fail to reject the null hypothesis?

NMeanStDevSE MeanTP

3022.7004.8720.8893.040.003

Based on this data, I would reject the null hypothesis.

e.What do you conclude about the mean cleaning time?

Based on this study, the mean cleaning time is less than 20 minutes.

My answers are included. Are they correct? Will you please let me know? Thank you!