Solutions Statistics

Use the traditional method of hypothesis testing to test the given claim about the means of two popu

Question: Use the traditional method of hypothesis testing to test the given claim about the means of two populations. Assume that two dependent samples have been randomly selected from normally distributed populations.

The table below shows the weights of seven subjects before and after following a particular diet for two months.

Subject A B C D E F G
Before 180 188 172 193 195 168 158
After 173 179 170 198 181 170 146

Using a 0.01 level of significance, test the claim that the diet is effective in reducing weight.

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