Mathematics, 06.10.2021 23:40 lee1817
Big Deal department store wants to conduct a survey of its customers to determine which type
of promotion they prefer:
• Big Bucks, which they earn each time they shop, or
• Power Points, which they can redeem for coupons
They will ask their customers, "Which promotion do you prefer, Big Bucks or Power Points?"
Which of the following methods of surveying their customers will allow Big Deal to make valid
conclusions about their customers' preferences?
Ask customers who are redeeming Big Bucks which they prefer.
Ask every customer who shops on a particular Saturday between 8 a. m. and
10 a. m. for the Early Bird Promotion.
For a period of a year, ask every hundredth customer who enters the store
which they prefer
Ask 100 customers who are shopping at Big Deal's competitor, Shop Til You
Dend
A
Answers: 2
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Needmax recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
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Big Deal department store wants to conduct a survey of its customers to determine which type
of pr...
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