34. A sample of 10 NCAA college basketball game scores provided the following data (USA Today, January 26, 2004). Winning Margin Winning Team Points Losing Team Points Arizona Oregon Georgetown Wake Forest Colorado Notre Dame Tennessee Texas 90 66 24 Duke 85 75 66 Florida State Kansas 19 5 21 70 57 63 62 66 78 71 Kentucky Louisville Oklahoma State 8 65 72 6. 3.4 Exploratory Data Analysis 109 Winning Margin Winning Team Points Losing Team Points Michigan State Southern Cal Purdue 76 70 6. Stanford Wisconsin 77 67 10 76 Illinois 56 20 a. Compute the mean and standard deviation for the points scored by the winning team. b. Assume that the points scored by the winning teams for all NCAA games follow a bell-shaped distribution. Using the mean and standard deviation found in part (a), estimate the percentage of all NCAA games in which the winning team scores 84 or more points. Estimate the percentage of NCAA games in which the winning team scores more than 90 points. c. Compute the mean and standard deviation for the winning margin. Do the data con- tain outliers? Explain.

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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.