To test whether the diet is successful, state the appropriate null and alternative hypotheses in terms of (the probability that the diet increases weight). Exactly one option must be correct) H0: p=0 ; Ha p ≠ 0
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.
Fifteen patients were weighed before and after a diet which was designed to help patients gain weight. Ten of these patients did gain weight but five patients lose weight. To test whether the diet is successful, state the appropriate null and alternative hypotheses in terms of (the probability that the diet increases weight). Exactly one option must be correct)
- H0: p=0 ; Ha p ≠ 0
- H0: p=0.5 ; Ha p < 0.5
- H0: p=0.5 ; Ha p > 0.5
- H0: p=0.5 ; Ha p ≠ 0.5
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