Author Question: The following data shows the yearly income distribution of a sample of 200 employees at MNM, ... (Read 72 times)

redpassion · **on:** Mar 25, 2023

The following data shows the yearly income distribution of a sample of 200 employees at MNM, Inc.

Yearly Income (In $1,000s)	Number of Employees
20 - 24	2
25 - 29	48
30 - 34	60
35 - 39	80
40 - 44	10

a.	What percentage of employees has yearly incomes of $35,000 or more?
b.	Is the figure (percentage) that you computed in Part a an example of statistical inference? If no, what kind of statistics does it represent?
c.	Based on this sample, the president of the company said that "45% of all our employees' yearly incomes are $35,000 or more." The president's statement represents what kind of statistics?
d.	With the statement made in Part c, can we be assured that more than 45% of all employees' yearly incomes are at least $35,000? Explain.
e.	What percentage of employees of the sample has yearly incomes of $29,000 or less?
f.	How many variables are presented in the above data set?
g.	The above data set represents the results of how many observations?

as4309 · **Reply #1 on:** Mar 25, 2023

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