From a population that is not normally distributed and whose standard deviation is not known, a sample of 50 items is selected to develop an interval estimate for ยต. Which of the following statements is true?
a. The standard normal distribution can be used
b. The t distribution with 50 degrees of freedom must be used.
c. The t distribution with 49 degrees of freedom must be used.
d. The sample size must be increased in order to develop an interval estimate.
c
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The legality of nonprice vertical restraints of trade under Section 1 of the Sherman Act is examined by using the rule of reason
Indicate whether the statement is true or false
The goal of any forecasting method is to
A) predict the random component of demand and estimate the systematic component. B) predict the systematic component of demand and estimate the random component. C) predict the seasonal component of demand and estimate the random component. D) predict the random component of demand and estimate the seasonal component.
Which of the following is a disadvantage inherent in advertising in magazines?
A. lack of demographic selectivity B. creative inflexibility C. long lead times D. poor reproduction quality E. low publication prestige
List the policies and procedures that guide users' decisions and establish responsibilities within an organization
What will be an ideal response?