In: Statistics and Probability
Project for Chapters 8 & 9
Confidence Interval & Hypothesis Testing for a Single Population
Dominick Aldo owns and operates Carolina’s which is an Italian restaurant in New York. The file Single Population.xlsx is shown below and contains the amount of time that 90 tables were seated.
Be sure that your project shows the following steps
Times for a Table
70 |
80 |
100 |
90 |
75 |
60 |
70 |
75 |
110 |
90 |
100 |
75 |
60 |
75 |
80 |
75 |
165 |
60 |
75 |
90 |
110 |
95 |
110 |
150 |
50 |
70 |
90 |
110 |
165 |
60 |
145 |
80 |
115 |
75 |
50 |
90 |
110 |
90 |
100 |
110 |
110 |
85 |
70 |
145 |
120 |
130 |
80 |
90 |
105 |
105 |
100 |
95 |
80 |
100 |
120 |
130 |
75 |
90 |
70 |
125 |
80 |
90 |
95 |
120 |
150 |
195 |
70 |
80 |
110 |
80 |
80 |
85 |
90 |
150 |
60 |
90 |
135 |
170 |
85 |
90 |
120 |
105 |
60 |
70 |
50 |
80 |
100 |
90 |
135 |
120 |
A.
b)
(5) Conclusion
It is concluded that the null hypothesis Ho is not rejected. Therefore, there is not enough evidence to claim that the average table time exceeds 98 minutes , at the 0.05 significance level.