Your supervisor has instructed you to conduct a marketing research effort that will determine how your company’s business customer demographics have changed. you have also been instructed to use primary data. you will:
a. gather data from standard & poor’s general information file.
b. develop a mail survey to study your primary market.
c. employ studies done by the federal trade commission.
d. make sure you locate internet information by using a search engine.
e. ask the national industrial conference board for its latest study

Sales at a fast-food restaurant average $6,000 per day. the restaurant decided to introduce an advertising campaign to increase daily sales. to determine the effectiveness of the advertising campaign, a sample of 49 days of sales were taken. they found that the average daily sales were $6,300 per day. from past history, the restaurant knew that its population standard deviation is about $1,000. if the level of significance is 0.01, have sales increased as a result of the advertising campaign? multiple choicea)fail to reject the null hypothesis. b)reject the null hypothesis and conclude the mean is higher than $6,000 per day. c)reject the null hypothesis and conclude the mean is lower than $6,000 per day. d)reject the null hypothesis and conclude that the mean is equal to $6,000 per day. expert answer