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1. The administrative department of a company has 6 employees. The income per month in millions...

1. The administrative department of a company has 6 employees. The income per month in millions of $ are as follows: 3.5, 4.0, 3.5, 3.0, 4.5, 4.0

a.According to the combination formula, how many samples of size 2 are possible?
b. List all possible samples of 2 employees from the population
c. Calculate the means of all samples of size 2
d. Make the sample distribution of the means
e. Plot the graph of the sample distribution of means

Math   Statistics-And-Probability   
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