Low-fat or low-carb? Are low-fat diets or low-carb diets more effective for weight loss? A sample of 93 subjects went on a low-carbohydrate diet for six months. At the end of that time, the sample mean weight loss was 3.1 kilograms with a sample standard deviation of 7.09 kilograms. A second sample of 95 subjects went on a low- fat diet. Their sample mean weight loss was 5.7 kilograms with a standard deviation of 8.65 kilograms. Can you conclude that the mean weight loss of subjects having low-carb diets is less than the mean weight loss of subjects having low-fat diets? Let 4, denote the mean weight lost on the low-carb diet and , denote the mean weight lost on the low-fat diet. Use the a-0.1 level and the TI-84 Plus calculator. Part: 0/4 Part 1 of 4 State the appropriate null and alternate hypotheses. Ho: This hypothesis test is a (Choose one) test.

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Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.