A student believes that the average grade on the final examination in statistics is at least 78. She plans on taking a sample to test her belief. Which of the following is the correct set of hypotheses? O Ho: H< 78 H:H2 78 O Ho: H2 78 H:H< 78 Ο ": μ> 78 Hai HS 78 O Ho: HS 78 H3: H > 78
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.
Given information-
We have given that a student believes that the average grade in the final examination in statistics is at least 78.
We have to choose the correct hypothesis.
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