Mathematics, 21.11.2019 08:31 croxy0514
The mean number of hours per day spent watching television, according to a national survey, is 3.5 hours, with a standard deviation of two hours. if each time was increased by one hour, what would be the new mean and standard deviation?
5.5, 3
4.5, 2
3.5, 3
4.5, 3
Answers: 1
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One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)
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Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.
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The mean number of hours per day spent watching television, according to a national survey, is 3.5 h...
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