Name _____________________________
Date ___________________
Calculating the Range, Variance, and Standard Deviation
(Answer ID # 0868951)
Calculate the values to the nearest tenth.

1.  13, 93, 100, 35, 58, 79, and 100.
Write the range:  _________

2.  88, 70, 28, 94, 40, 89, 4, 10, and 4.
Write the range:  _________

3.  -2.5, -14.7, 17.4, 0.5, -13, -3.9, 4.4, 4.4, -33.2, and 32.5.
Write the range:  _________

4.  3.8, 3.8, -12.9, 31, -8.7, 0.7, 29.2, -37.2, -22.8, and -2.2.
Write the range:  _________

5.  Given the following prices of used homes (in thousands):
111.3
159
53.3
103.9
165.8
197.1
109.3
72.9
78.3
101.6
157.8
117.4
130.3
87.6
114.7
106.5
188.7
50.1
105.9
138.4
106.8
134.8
136.3
105
91
93.9
162.3
176.1
104.5
74
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

6.  Given the following prices of used cars:
$10,300
$9,700
$6,100
$29,000
$40,000
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

7.  Given the following grades:
81, 85, 74, 81, 85, 62, 73, 59, 62, 74, 98, 57, and 73.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

8.  Given the following:
63.18, 63.98, 81.6, 82.26, 112.72, 69.66, 107.09, 76.66, 120.79, 83.88, 104.76, 64.07, 109.23, 100.01, 110.16, 96.44, 93.27, 119, 119.72, and 78.65.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

9.  Given the following:
51.8, 94.8, 94.9, 51, 105.1, 69.8, 91.7, 86, 58.6, 53.4, 60.9, 88.1, 76.2, 93.7, 74.7, 90, 101.5, 50.1, 66, and 50.8.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

10.  Given the following:
73, 139, 153, 25, 48, 128, 12, 119, 75, 69, 112, 67, 159, 25, 127, 183, 126, 131, 168, and 66.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

11.
52 Week
High
52 Week
Low
Stock Dividend
In Dollars
Close
$14 $7.51 ODV $0.68 $11.27
$78.59 $44.79 SQO $1.48 $73.95
$39.31 $14.76 DIZ $1.14 $37.85
$185.27 $40.46 INU $0 $74.22
$103.30 $49.07 DIE $5.17 $86.14
$15.95 $13.78 CJP $0.30 $14.94
$22.71 $16.21 ZBC $1.54 $21.97
$63.96 $57.51 FQB $1.17 $58.50
$37.68 $34.47 TBE $3.20 $35.59
$177.51 $75.76 TFG $14.60 $145.95

  Find the range, variance, and standard deviation for the closing prices of the given stocks..
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

12.  Given the following annual mutual fund returns:
-48.72
36.75
-45.2
9.81
23.98
46.08
38.52
-49.42
16.6
5.88
-41.48
20.5
17.26
-46.63
11.81
20.44
4.88
20.8
4.45
-48.8
-42.01
22.57
22.99
8.57
9.54
22.47
9.26
-42.65
24.31
20.85
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________