Hourly pay of all employees at a certain company are listed below. Hourly Pay data 12 18
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Question:
Hourly pay of all employees at a certain company are listed below.
12 | 18 | 13 | 20 | 15 | 12 | 18 | 17 |
---|---|---|---|---|---|---|---|
13 | 16 | 14 | 36 | 17 | 27 | 17 | 16 |
18 | 24 | 30 | 12 | 14 | 23 | 13 | 19 |
26 | 12 | 33 | 36 | 20 | 12 | 16 | 15 |
Using 7 classes, build the histogram by hand.
What is the shape of the distribution of hourly pay?
What is the total frequency of the class that contains
$19 an hour
$33 an hour
Find the mean and standard deviation for hourly pay at the company. Be sure to define if they are statistics or parameters.
Compute the intervals that are centered 2 standard deviations and 3 standard deviations around the mean and state what percentage is associated with the intervals.
Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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