BSHS 382 Week 3 Quiz FOR MORE CLASSES VISIT www . bshs382master . com
BSHS 382 Week 3 Quiz FOR MORE CLASSES VISIT www . bshs382master . com
1 . Follow the steps to compute the variance and standard deviation for the following population .
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2 . For a sample of 289 female heights , the mean was 65.3 inches and the standard deviation was 2.8 inches . The shortest person in this sample had of 56 inches . a . Find the z-score for the height of 56 inches . b . What does the negative sign for the z-score represent ? c . Is this observation a potential outlier according to the three standard deviation distance criterion ? Explain .
3 . A company decides to investigate the amount of sick leave taken by its employees . A sample of seven employees yields the following numbers of days of sick leave taken in the past year .
1 1 3 0 1 6 2 Use this information to answer parts a through c . 4 . What is the effect of the outlier ?
5 . A survey asked 6189 random adults the question “ How many children have you ever had ?” Use the results shown below to answer the following questions .