Vacancy rates (%)
Region |
Northeast |
South |
West |
1 |
7 |
5 |
8 |
2 |
6 |
9 |
10 |
3 |
9 |
11 |
8 |
4 |
7 |
8 |
8 |
sample mean |
7.3 |
8.3 |
8.5 |
sample variance |
1.2 |
4.7 |
0.8 |
ANSWER:
here null hypothesis: there is no difference in mean vacancy rate among all regions.
alternate hypothesis : there is difference in mean vacancy rate among at least 2 regions.
from above given data:
2) as p value is greater then 0.10 level we can not reject null hypothesis. we do not have suffiicent evidence to conclude that mean vacancy rate is different.
therefore we go along with the notion that mean vacancy rate is same for these regions
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