The following data shows the yearly income distribution of a sample of A employe

Question

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

Yearly Income ($1000s)           Number of Employees
a - b                                                      A1
c - d                                                      A2
e - f                                                       A3
g - h                                                     A4
i - j                                                       A5

a. What percentage of employees has yearly incomes of more than $g,000?
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 "c% of all our employees' yearly incomes are over $g,000." The president's statement represents what kind of statistics?
d. With the statement made in Part c, can we be assured that more than c% of all employees' yearly incomes are at least $g,000? Explain.
e. What percentage of employees of the sample has yearly incomes of $d,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?

Explanation / Answer

The following data shows the yearly income distribution of a sample of A employe

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