The sales of a grocery store had an average of $8,000 per day. The store introduced several advertising campaigns in order to increase sales. To determine whether or not the advertising campaigns have been effective in increasing sales, a sample of 64 days of sales was selected. It was found that the average was $8,300 per day. From past information, it is known that the standard deviation of the
population is $1,200 . The correct null hypothesis for this problem is
a. ? < 8000
b. ? > 8000
c. ? = 8000
d. ? > 8250
A
Business
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Coca-Cola decides to expand their operations and build a manufacturing plant in Mexico. In this scenario, Mexico would be referred to as the ______________ country.
a. third b. home c. first d. host
Business
Which of the following is a word or phrase that expresses a thought without having negative connotations?
A) Tone B) Biased language C) Credibility D) Sincerity E) Euphemism
Business