Q4: For the data below 112 100 127 105 120 116 134 118 110 109 112 114 114 122 106 111 110 118 117 118 122 105 109 112 110 111 107 114 115 118 117 118 116 108 104 110 121 120 117 113 120 119 120 113 105 110 118 112 114 114 Construct a frequency distribution for the data using 7 classes, then find the following: a- The range and class interval. b- Probability distribution table. c- Harmonic mean and the median.

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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.