Center and Spread of Data
Kuta Software - Infinite Pre-Algebra
Name___________________________________
Center and Spread of Data
Date________________ Period____
Find the mode, median, mean, range, lower quartile, upper quartile, interquartile range, and mean absolute deviation for each data set.
1)
Shoe Size
6.5
7 7.5 8 8 8 9
10 10.5
2) Hits in a Round of Hacky Sack
2 3 334467 12 18 19
3)
Movie
# Awards
The Greatest Show on Earth
2
Gentleman's Agreement
3
The Great Ziegfeld
3
The King's Speech
4
Academy Awards
Movie
# Awards
No Country for Old Men
4
Unforgiven
4
It Happened One Night
5
Forrest Gump
6
Movie
# Awards
Mrs. Miniver
6
Lawrence of Arabia
7
On the Waterfront
8
4)
Plant Days
Bok Choi 45
Okra
55
Plant
Days
Swiss Chard 60
Bell Pepper 75
Average Time to Maturity
Plant
Days
Sugar Baby Watermelon 75
Cantaloupe
80
Plant
Days
Honeydew
80
Beefsteak Tomato 80
Plant Days Rutabaga 90 Tomatillo 100
-1-
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Worksheet by Kuta Software LLC
$15,000 $25,000 $35,000 $45,000 $55,000 $65,000 $75,000 $85,000 $95,000 $105,000 $115,000 $125,000 $135,000 $145,000 $155,000 $165,000 $175,000
1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010
5)
European Spacecraft Launches
Launches
Year
Tax Rate (%)
6)
Federal Income Tax
Income
7) Goals in a Hockey Game
Goals
Frequency
8) Mountain Heights (ft) Stem Leaf
Key: | = 24,200
9)
US Senators When Assuming Office
Age
-2-
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Worksheet by Kuta Software LLC
Kuta Software - Infinite Pre-Algebra
Name___________________________________
Center and Spread of Data
Date________________ Period____
Find the mode, median, mean, range, lower quartile, upper quartile, interquartile range, and mean absolute deviation for each data set.
1)
Shoe Size
6.5
7 7.5 8 8 8 9
10 10.5
Mode = 8, Median = 8, Mean = 8.28,
Range = 4, Q = 7.25, Q = 9.5,
IQR = 2.25 and MAD = 1.04
2) Hits in a Round of Hacky Sack
2 3 334467 12 18 19
Mode = 3, Median = 4, Mean = 7.36,
Range = 17, Q = 3, Q = 12, IQR = 9
and MAD = 4.89
3)
Movie
# Awards
The Greatest Show on Earth
2
Gentleman's Agreement
3
The Great Ziegfeld
3
The King's Speech
4
Academy Awards
Movie
# Awards
No Country for Old Men
4
Unforgiven
4
It Happened One Night
5
Forrest Gump
6
Movie
# Awards
Mrs. Miniver
6
Lawrence of Arabia
7
On the Waterfront
8
Mode = 4, Median = 4, Mean = 4.73, Range = 6, Q = 3, Q = 6, IQR = 3 and MAD = 1.52
4)
Plant Days
Bok Choi 45
Okra
55
Plant
Days
Swiss Chard 60
Bell Pepper 75
Average Time to Maturity
Plant
Days
Sugar Baby Watermelon 75
Cantaloupe
80
Plant
Days
Honeydew
80
Beefsteak Tomato 80
Plant Days Rutabaga 90 Tomatillo 100
Mode = 80, Median = 77.5, Mean = 74, Range = 55, Q = 60, Q = 80, IQR = 20 and MAD = 12.4
-1-
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Worksheet by Kuta Software LLC
$15,000 $25,000 $35,000 $45,000 $55,000 $65,000 $75,000 $85,000 $95,000 $105,000 $115,000 $125,000 $135,000 $145,000 $155,000 $165,000 $175,000
5)
European Spacecraft Launches
Launches
Tax Rate (%)
6)
Federal Income Tax
1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010
Year
Mode = 8 and 12, Median = 11,
Mean = 11.4, Range = 9, Q = 9, Q = 13,
IQR = 4 and MAD = 2.43
Income
Mode = 23 and 24, Median = 21, Mean = 19.76, Range = 12, Q = 16.5,
Q = 23, IQR = 6.5 and MAD = 3.34
7) Goals in a Hockey Game
Goals
Frequency
Mode = 5 and 7, Median = 7, Mean = 6.47, Range = 7, Q = 5,
Q = 8, IQR = 3 and MAD = 1.71
9)
US Senators When Assuming Office
8) Mountain Heights (ft)
Stem Leaf
Key: | = 24,200
Mode = 24,200, Median = 24,200, Mean = 24,482.35, Range = 3,100, Q = 23,850,
Q = 24,750, IQR = 900 and
MAD = 588.93
Age
Mode = 50, Median = 52.5, Mean = 54.31, Range = 23,
Q = 49, Q = 60.5, IQR = 11.5 and MAD = 5.98
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-2-
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Worksheet by Kuta Software LLC
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