The Better Cookie Company claims its chocolate chip cookies have more chips than another chocolate chip cookie.120 Better Cookies and 100 of the other type of cookie were randomly selected and the number of chips in each cookie was recorded.The results are as follows.
Better Another
Mean number of chips 7.6 6.9
Standard deviation 1.4 1.7
df = 191.
At the 2% level of significance,test the claim that the population of Better Cookies has a higher mean number of chips.

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The Answer of The Better Cookie Company claims its chocolate chip cookies have more chips than another chocolate chip cookie.120 Better Cookies and 100 of the other type of cookie were randomly selected and the number of chips in each cookie was recorded.The results are as follows.
Better Another
Mean number of chips 7.6 6.9
Standard deviation 1.4 1.7
df = 191.
At the 2% level of significance,test the claim that the population of Better Cookies has a higher mean number of chips.

The Better Cookie Company Claims Its Chocolate Chip Cookies Have