For the data on the following page are a random sample of college students, 18-24, weekly TV watchi 1) Group the data us

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For The Data On The Following Page Are A Random Sample Of College Students 18 24 Weekly Tv Watchi 1 Group The Data Us 1 (1.27 MiB) Viewed 21 times

For the data on the following page are a random sample of college students, 18-24, weekly TV watchi 1) Group the data using the classes provided 2) Create a histogram and boxplot tonth 3)Calculate the mean and standard deviation using the original data not the grouped data.(round to 1 4)Test the normality of the data a)Order the values b)Calculate the f_i c)Find the expected z score for each f_i d)Plot the observed values vs the expected z scores e)calculate the correlation coeffecient and compare that to a critical value of 0.927 f) is the data approximately normally distributed? week 5)Assuming a normal distribution for the amount of time spend watching TV weekly: a) Calculate the proportion of college students aged 18-24 that watch between 21 and 36 hours a e b)Compare that proportion to the proportion from the sample c)Find the 98th percentile for hours of TV watched weekly. frea. 2 Hours watched weekly LL 0 2.9 14.95 15 7.8 8.6 lower class upper class freq 0 - 4.95 0 4.9 L1895-9.95 5 9.9 9.95- 14.95 10 14.9 19.9 14.96 - 2005 24.55 20 24.9 LoQE - 2GO 29.9 24.55-27552eerstellar 25 34.9 30,55-34.55 30 34.85-39.55 35 39.9 6 4 니 2 เร.ม 9.7 9.9 3 16 17.5 18.5 19 19.1 19.5 20.4 mean= SD a 21 22.9 23.5 25.6 25.8 28.9 29.6 30.5 33.8 36.1 36.8 39.2