Quartiles divide a sample into four nearly equal pieces. In general, a sample of size n can be broken into k nearly equal pieces by using the cutpoints (i/k)(n + 1) for i = 1, …, k − 1.Consider the following ordered sample:2 18 23 41 44 46 49 61 62 74 76 79 82 89 92 95a) Tertiles divide a sample into thirds. Find the tertiles of this sample. b) Quintiles divide a sample into fifths. Find the quintiles of this sample.
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.
Consider the following ordered sample:
2 18 23 41 44 46 49 61 62 74 76 79 82 89 92 95
a) Tertiles divide a sample into thirds. Find the tertiles of this sample. b) Quintiles divide a sample into fifths. Find the quintiles of this sample.
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