Mathematics, 27.07.2019 21:30 Perdikaris
Aschool conducted a survey to find out which games students enjoy watching the most. the table below contains the results of the survey. grade basketball baseball football soccer tennis other marginal totals elementary school 51 18 26 32 4 6 137 middle school 50 24 44 34 7 18 177 high school 42 17 58 36 11 24 188 marginal totals 143 59 128 102 22 48 502 which observation is supported by the data in the table? tennis is most popular among elementary school students. baseball is most popular among students in all grades. football is most popular among high school students. soccer is most popular among middle school students.
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It appears that people who are mildly obese are less active than leaner people. one study looked at the average number of minutes per day that people spend standing or walking. among mildly obese people, the mean number of minutes of daily activity (standing or walking) is approximately normally distributed with mean 376 minutes and standard deviation 64 minutes. the mean number of minutes of daily activity for lean people is approximately normally distributed with mean 528 minutes and standard deviation 107 minutes. a researcher records the minutes of activity for an srs of 7 mildly obese people and an srs of 7 lean people. use z-scores rounded to two decimal places to answer the following: what is the probability (image for it appears that people who are mildly obese are less active than leaner people. one study looked at the averag0.0001) that the mean number of minutes of daily activity of the 6 mildly obese people exceeds 420 minutes? what is the probability (image for it appears that people who are mildly obese are less active than leaner people. one study looked at the averag0.0001) that the mean number of minutes of daily activity of the 6 lean people exceeds 420 minutes?
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Aschool conducted a survey to find out which games students enjoy watching the most. the table below...
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