Maggie is a social worker. For the last 225 days she has recorded her client caseload per day. The results are in the accompanying table. In this problem x is the number of clients Maggie sees per day and the frequency is the number of days on which she sees x clients. (show all work) 1. 2 3 Frequency 4 12 25 54 5 75
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.
a) Find the probability distribution for this data (round four decimal place).
b) Find the expected number (mean) of clients Maggie sees per day (round one decimal place).
c) Find the standard deviation for this distribution (round one decimal place).
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