A sample of 200 elements from a population with a known standard deviation is selected. For an interval estimation of ?, the proper distribution to use is the
a. normal distribution.
b. t distribution with 200 degrees of freedom.
c. t distribution with 201 degrees of freedom.
d. t distribution with 199 degrees of freedom.
a
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When managers develop better management practices and policies that improve workplace efficiency due to the presence or threat of a union, it is known as the _______________________.
Fill in the blank(s) with the appropriate word(s).
According to a category management classification, a product with high profitability but low unit sales would be classified as a _____
a. traffic builder b. problem child c. sleeper d. dog
Indicate the group of words in which the number or numbers are correctly expressed. Which is correct?
A) September 12th B) September 12
Which of the following statements is not true about Matrix(ces)?
A) A matrix is a display of numbers arranged in rows and columns. B) Matrices are usually enclosed in parentheses or brackets. C) Matrices are used as an effective means of presenting or summarizing business data. D) Matrices cannot be considered as a quantitative tool. E) None of the above