CEO ages E

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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A magazine published data on the best small firms in a certain year. These were firms which had been publicly traded for at least a year, have a stock price of at least $5 per share, and have reported
annual revenue between $5 million and $1 billion. The table below shows the ages of the chief executive officers for the first 70 ranked firms.
Cumulative Relative
Age
Frequency
Relative Frequency
Frequency
40-44
45-49
11
50-54
19
55-59
16
60-64
10
65-69
8
70-74
(a) What is the frequency for CEO ages between (but not including) 54 and 65? (Enter your answer as a whole number.)
(b) What percentage of CEOS are 65 years or older? (Round your answer to the nearest whole number.)
%
(c) What is the relative frequency of ages under 50? (Round your answer to two decimal places.)
(d) What is the cumulative relative frequency for CEOS younger than 55? (Round your answer to two decimal places.)
Transcribed Image Text:A magazine published data on the best small firms in a certain year. These were firms which had been publicly traded for at least a year, have a stock price of at least $5 per share, and have reported annual revenue between $5 million and $1 billion. The table below shows the ages of the chief executive officers for the first 70 ranked firms. Cumulative Relative Age Frequency Relative Frequency Frequency 40-44 45-49 11 50-54 19 55-59 16 60-64 10 65-69 8 70-74 (a) What is the frequency for CEO ages between (but not including) 54 and 65? (Enter your answer as a whole number.) (b) What percentage of CEOS are 65 years or older? (Round your answer to the nearest whole number.) % (c) What is the relative frequency of ages under 50? (Round your answer to two decimal places.) (d) What is the cumulative relative frequency for CEOS younger than 55? (Round your answer to two decimal places.)
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