The Boston Marathon is the oldest and best-known U.S. marathon. It covers a route from Hopkinton, Massachusetts, to downtown Boston. The distance is approximately 26 miles. Winning times for the Boston Marathon are all over 2 hours. The following data are the minutes over 2 hours for the winning male runners. MY NOTES 1961-1980 23 23 18 19 18 15 16 16 17 15 13 10 13 1981-2000 9 10 20 14 10 12 6. 8 14 7. 11 8 7 9 9 10 9 8 9 9 11 8 9 (a) Make a stem-and-leaf display for the minutes over 2 hours of the winning times for the years 1961 and 1980. Use two lines per stem. (Use the tens digit as the stem and the ones digit as the leaf. Enter NONE in any unused answer blanks. For more details, view How to Split a Stem.) Minutes Beyond 2 Hours (1961-1980) (b) Make a stem-and-leaf display for the minutes over 2 hours of the winning times for the years 1981 to 2000. Use two lines per stem. (Use the tens digit as the stem and the ones digit as the leaf. Enter NONE in any unused answer blanks.) Minutes Beyond 2 Hours (1981-2000) (c) Compare the two distributions. How many times under 15 minutes are in each distribution? times times 1961-1980 1981-2000

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MYΝΟTES
The Boston Marathon is the oldest and best-known U.S. marathon. It covers a route from Hopkinton, Massachusetts, to downtown Boston. The distance is approximately 26 miles. Winning times for the Boston Marathon are all over 2 hours. The following
data are the minutes over 2 hours for the winning male runners.
1961-1980
23 23 18
18 15 16 13
1981-2000
19 16
17
20
15
13
22
14 10 9
10
12
8.
9 10
14
11
9 10
8
9
8.
11
7 9
9 9
(a) Make a stem-and-leaf display for the minutes over 2 hours of the winning times for the years 1961 and 1980. Use two lines per stem. (Use the tens digit as the stem and the ones digit as the leaf. Enter NONE in any unused answer blanks. For
more details, view How to Split a Stem.)
Minutes Beyond 2 Hours
(1961-1980)
(b) Make a stem-and-leaf display for the minutes over 2 hours of the winning times for the years 1981 to 2000. Use two lines per stem. (Use the tens digit as the stem and the ones digit as the leaf. Enter NONE in any unused answer blanks.)
Minutes Beyond 2 Hours
(1981-2000)
(c) Compare the two distributions. How many times under 15 minutes are in each distribution?
1961-1980
times
times
1981-2000
MacBook Pro
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8.
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11
K
F
G
H
S
D
M
C
V
Transcribed Image Text:MYΝΟTES The Boston Marathon is the oldest and best-known U.S. marathon. It covers a route from Hopkinton, Massachusetts, to downtown Boston. The distance is approximately 26 miles. Winning times for the Boston Marathon are all over 2 hours. The following data are the minutes over 2 hours for the winning male runners. 1961-1980 23 23 18 18 15 16 13 1981-2000 19 16 17 20 15 13 22 14 10 9 10 12 8. 9 10 14 11 9 10 8 9 8. 11 7 9 9 9 (a) Make a stem-and-leaf display for the minutes over 2 hours of the winning times for the years 1961 and 1980. Use two lines per stem. (Use the tens digit as the stem and the ones digit as the leaf. Enter NONE in any unused answer blanks. For more details, view How to Split a Stem.) Minutes Beyond 2 Hours (1961-1980) (b) Make a stem-and-leaf display for the minutes over 2 hours of the winning times for the years 1981 to 2000. Use two lines per stem. (Use the tens digit as the stem and the ones digit as the leaf. Enter NONE in any unused answer blanks.) Minutes Beyond 2 Hours (1981-2000) (c) Compare the two distributions. How many times under 15 minutes are in each distribution? 1961-1980 times times 1981-2000 MacBook Pro G Search or type URL esc &. @ 2$ delete 8. 2 Y U E R 11 K F G H S D M C V
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