Question: The following data represent a random sample of end-of-year bonuses for the lower-level managerial personnel employed by a large firm. Bonuses are expressed in percentage

The following data represent a random sample of end-of-year bonuses for the lower-level managerial personnel employed by a large firm. Bonuses are expressed in percentage of yearly salary.

Construct a 98% confidence interval for the median bonus expressed in percentage of yearly salary of this firm. Also, draw a probability plot and test for normality. Can this be considered a random sample?

6.2 9.2 8.0 7.7 84 9.1 74 6.7 8.6 6.9 8.9 10.0 94 8.8 12.0 99 11.7 9.8 3.2 4.6

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