It is a simple random sample and it is normal: Listed below are 8 lengths ( in minutes) of randomly selected movies. 110 96 125 94 132 136 154 119 a) Find the sample standard deviation. b) Find the margin of error. c) Construct a 99% confidence interval estimate of the mean length of all movies.
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.
It is a simple random sample and it is normal:
Listed below are 8 lengths ( in minutes) of randomly selected movies.
110 96 125 94 132 136 154 119
a) Find the sample standard deviation.
b) Find the margin of error.
c) Construct a 99% confidence
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