5. The Harvard Business School conducted a study of how CEOs spend their day. The study found that CEOs spend on average 18.5 hours per week in meetings, not including conference calls, business meals, and public events. Shown below is the time spent per week in meetings (hours) for a sample of 30 CEOs. 21 23 14 15 19 Time per Week on Meetings 20 19 20 22 21 18 15 15 23 18 15 13 23 16 21 10 19 23 15 9 30 10 29 a) Construct a stem-and-leaf display (with the following ranges for the stems: 5-9, 10-14, 15-19,...) to represent the number of HOURs for this sample of CEOs. b) Given the stem-and-leaf display, how many CEOs spend at least 20 hours in meetings? c) Given the stem-and-leaf display, which value(s) for HOURs occurred more frequently than any other value(s)? d) Given the stem-and-leaf display, what is the range (range = max value – min value) for the number of HOURs that CEOs spend in meetings?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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5. The Harvard Business School conducted a study of how CEOs spend their day. The
study found that CEOs spend on average 18.5 hours per week in meetings, not including
conference calls, business meals, and public events. Shown below is the time spent per
week in meetings (hours) for a sample of 30 CEOs.
21
23
14
15
19
Time per Week on Meetings
20
19
20
22
21
18
15
15
23
18
15
13
23
16
21
10
19
23
15
9
30
10
29
a) Construct a stem-and-leaf display (with the following ranges for the stems: 5-9, 10-14,
15-19,...) to represent the number of HOURs for this sample of CEOs.
b) Given the stem-and-leaf display, how many CEOs spend at least 20 hours in
meetings?
c) Given the stem-and-leaf display, which value(s) for HOURs occurred more
frequently than any other value(s)?
d) Given the stem-and-leaf display, what is the range (range = max value – min value)
for the number of HOURs that CEOs spend in meetings?
Transcribed Image Text:5. The Harvard Business School conducted a study of how CEOs spend their day. The study found that CEOs spend on average 18.5 hours per week in meetings, not including conference calls, business meals, and public events. Shown below is the time spent per week in meetings (hours) for a sample of 30 CEOs. 21 23 14 15 19 Time per Week on Meetings 20 19 20 22 21 18 15 15 23 18 15 13 23 16 21 10 19 23 15 9 30 10 29 a) Construct a stem-and-leaf display (with the following ranges for the stems: 5-9, 10-14, 15-19,...) to represent the number of HOURs for this sample of CEOs. b) Given the stem-and-leaf display, how many CEOs spend at least 20 hours in meetings? c) Given the stem-and-leaf display, which value(s) for HOURs occurred more frequently than any other value(s)? d) Given the stem-and-leaf display, what is the range (range = max value – min value) for the number of HOURs that CEOs spend in meetings?
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