Suppose you do a study of acupuncture to determine how effective it is in relieving pain. You measure the sensory rates of 15 subjects with the results given. 8,6 9,4 7,9 6,8 8,3 7,3 9,2 9,6 8,7 11,4 10,3 5,4 8,1 5,5 6,9 Use the sample data to calculate the probability that the difference between the sample mean and the population mean does not exceed 2.0. population mean does not exceed 2 units
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.
Suppose you do a study of acupuncture to determine how effective it is in relieving pain.
You measure the sensory rates of 15 subjects with the results given.
8,6 9,4 7,9 6,8 8,3 7,3 9,2 9,6 8,7 11,4 10,3 5,4 8,1 5,5 6,9
Use the sample data to calculate the
population mean does not exceed 2 units
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