Question
The frequency distribution below shows the distribution for job placement exam scores for a random sample of 1000 adults. Scores Frequency Relative Frequency 50 -
The frequency distribution below shows the distribution for job placement exam scores for a random sample of 1000 adults.
Scores Frequency Relative Frequency
50 - 69 24
70 - 89
90 - 109 453
110 - 129 0.25
130 - 149 25
Total 1000
(a) Complete the frequency table with frequency and relative frequency. Express the relative frequency to three decimal places.
(b) What percentage of the adults in this sample has a score of at least 110?
(c) Does this distribution have positive skew or negative skew? Why or why not?
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Managerial Accounting
Authors: Ray Garrison, Theresa Libby, Alan Webb
9th canadian edition
1259269477, 978-1259269479, 978-1259024900
