Question
In: Statistics and Probability
An operations manager of a large firm is studying the monthly sales (in $’000) of three...
An operations manager of a large firm is studying the monthly sales (in $’000) of three subsidiary companies over a six-month period as given in the table below.
|
Company A |
Company B |
Company C |
|
152 |
148 |
150 |
|
135 |
158 |
148 |
|
130 |
136 |
126 |
|
142 |
138 |
128 |
|
125 |
140 |
140 |
|
128 |
127 |
135 |
At the 0.01 significance level, can we conclude that there is a difference in the means of monthly sales of the three subsidiary companies over a six-month period?
e) Based on the calculations above, what is the conclusion which can be made?
| A. |
Since FTest value is 0.7846 which is less than 6.93, H0 is not rejected. Hence, the means of monthly sales of the three companies are not equal. |
|
| B. |
Since FTest value is 0.4611 which is less than 7.70, H0 is not rejected. Hence, the means of monthly sales of the three companies are equal. |
|
| C. |
Since FTest value is 0.4876 which is less than 6.36, H0 is not rejected. Hence, the means of monthly sales of the three companies are equal. |
|
| D. |
Since FTest value is 0.5086 which is less than 7.35, H0 is not rejected. Hence, the means of monthly sales of the three companies are equal. |
Solutions
orchestra answered 1 year agoRelated Solutions
An operations manager of a large firm is studying the monthly sales (in $’000) of three...
An operations manager of a large firm is studying the monthly
sales (in $’000) of three subsidiary companies over a six-month
period as given in the table below.
Company A
Company B
Company C
152
148
150
135
158
148
130
136
126
142
138
128
125
140
140
128
127
135
At the 0.01 significance level, can we conclude that there is a
difference in the means of monthly sales of the three subsidiary
companies over a six-month period?...
An operations manager of a large firm is studying the monthly sales (in $’000) of three...
An operations manager of a large firm is studying the monthly
sales (in $’000) of three subsidiary companies over a six-month
period as given in the table below.
Company A
Company B
Company C
152
148
150
135
158
148
130
136
126
142
138
128
125
140
140
128
127
135
At the 0.01 significance level, can we conclude that there is a
difference in the means of monthly sales of the three subsidiary
companies over a six-month period?...
Question 2 An operations manager of a large firm is studying the monthly sales (in $’000)...
Question 2
An operations manager of a large firm is studying the monthly
sales (in $’000) of three subsidiary companies over a six-month
period as given in the table below.
Company A
Company B
Company C
152
148
150
135
158
148
130
136
126
142
138
128
125
140
140
128
127
135
At the 0.01 significance level, can we conclude that there is a
difference in the means of monthly sales of the three subsidiary
companies over a...
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