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    Independent sample t test

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    A study is conducted to compare mean cholesterol levels for individuals following a low carbohydrate diet for at least 6 months to individuals following a conventional (low fat, low calorie )diet for at least 6 months. test if there is a significant difference in mean cholesterol levels between the diet programs using a 5% level of significance.

    Data below:

    Diet Program Sample Size Mean Cholesterol Std Dev Cholesterol

    Low Carb 50 225.4 24.5

    Conventional 75 203.8 21.6

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    Solution Summary

    Step by step method for computing test statistic for independent sample is given in the answer.