A researcher was interested in comparing the heights of women in two different countries. Independent simple random samples of 9 women from country B and 9 women from country A yielded the following heights (in inches).
Country B………. Country A
58.1…………………. 56.3
66.4………………….. 60.2
61.7………………….. 61.7
62.0………………….. 61.8
67.3…………………… 61.0
64.9…………………… 60.6
64.7…………………… 60.0
68.0………………….. 61.4
68.6 …………………..59.0
At 10% significance level do the data provide sufficient evidence to conclude that the mean height of
women in country B is greater than the mean height of women in country A.
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