Suppose we wanted to estimate the average amount of sleep (in hours) a college student gets a night. Which sample size of students would have a confidence interval with a smaller width? O A sample size of 50 students. O A sample size of 500 students.
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.
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Which of the following confidence intervals would have a wider width for the same set of data?
A 90% interval.
A 99% interval.
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