1. In a survey, 957 internet users chose to respond to this question posted on ratemyprofessors.com: How helpful are the reviews on this website? 92% of the respondents said “Very Helpful”. a. Determine whether the study is an experimental or an observational study. b. Identify the sample and the population. c. Is the value 92% a statistic or a parameter? d. Identify a major problem with the study.
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.
1. In a survey, 957 internet users chose to respond to this question posted on ratemyprofessors.com: How helpful are the reviews on this website? 92% of the respondents said “Very Helpful”.
a. Determine whether the study is an experimental or an observational study.
b. Identify the sample and the population.
c. Is the value 92% a statistic or a parameter?
d. Identify a major problem with the study.
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