Mathematics, 20.07.2019 02:00 thicklooney
The manager of a grocery store wants to determine the average amount of money spent at his store as it compares to the average dollar amount spent at his competitor's store. at the end of the day, he reviews the amounts of the last 15 grocery orders. the amounts rounded to the nearest dollar are: 41, 38, 19, 30, 21, 53, 34, 34, 37, 29, 50, 43, 57, 28, 50 he then visits the store of his competitor and surveys the first 15 people leaving the store with groceries. the amounts he records, also rounded to the nearest dollar, are: 86, 15, 75, 40, 51, 60, 27, 45, 112, 7, 65, 31, 18, 27, 69 what is the average amount of money spent at each store to the nearest cent? for which store is the mean a better representation of the data? in two or more complete sentences, explain your answer.
Answers: 1
Mathematics, 21.06.2019 15:40, rhiannonwheatcr4468
36 inches/second = yards/minute how many yards?
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Mathematics, 21.06.2019 18:40, calebhoover03
2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?
Answers: 1
Mathematics, 21.06.2019 19:00, Kookiexperfect9420
How is working backward similar to solving an equation?
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