Vision It is generally believed that nearsightednessaffects about 12% of all children. A school district teststhe vision of 169 incoming kindergarten children. Howmany would you expect to be nearsighted? With whatstandard deviation?
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.
Vision It is generally believed that nearsightedness
affects about 12% of all children. A school district tests
the vision of 169 incoming kindergarten children. How
many would you expect to be nearsighted? With what
standard deviation?
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