Mathematics, 24.09.2020 16:01, debbievines8592
A website recently reported that salaries of Chief Finance Officers (CFOs) ranged from $127,735 to $209,981 (before bonuses). Suppose the data below represent a sample of the annual salaries for 24 CFOs in thousands of dollars. Complete parts a through c.
199.9 197.5 176.1 172.3 187.9 152.3 202.9 149.2 191.2 154.6 203.5 151.4
159.3 134.3 181.5 181.4 192.5 182.2 161.7 199.7 176.9 138.6 207.4 134.5
A. Using 9 classes, construct a cumulative frequency distribution.
Complete the cumulative frequency distribution below.
CFO Salary (thousands Cumulative Frequency
of dollars
and under
and under
and under
and under
and under
and under
and under
and under
and under
B. Determine the proportion of CFO salaries that are at least $177,000.
C. Determine the proportion of CFO salaries that are less than $204,000 and at least $141,000.
Answers: 3
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