Name _____________________________
Date ___________________
Calculating the Range, Variance, and Standard Deviation
(Answer ID # 0398295)
Calculate the values to the nearest tenth.

1.  44, 93, 86, 29, 29, and 29.
Write the range:  _________

2.  42, 95, 95, 21, and 48.
Write the range:  _________

3.  -32.9, 7.2, 41.3, -7, 41.3, 28.9, -2.7, 32.6, 8.3, and -3.
Write the range:  _________

4.  -5.6, 14, 40.6, 11.1, -26.5, -29.3, -26.5, -12.3, 35.4, and -14.6.
Write the range:  _________

5.  Given the following grades:
62, 78, 61, 62, 78, 79, 69, 94, 69, 92, 62, 69, 69, 94, 56, 60, 63, 78, 62, 61, 58, 98, 70, and 78.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

6.  Given the following annual mutual fund returns:
52.18
2.34
23.66
2.22
20.49
-42.56
17.71
65.09
-45.57
9.31
19.41
74.99
35.29
70.29
14.41
22.62
24.57
22.43
57.85
23.65
20.2
14.5
13.87
14.75
-43.31
21.77
-45.95
13.92
24.04
-41.96
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

7.  Given the following prices of used cars:
$11,200
$36,000
$13,000
$8,100
$12,500
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

8.  Given the following:
84, 72, 165, 180, 158, 99, 117, 95, 132, 116, 186, 98, 129, 82, 127, 198, 163, 154, 95, and 164.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

9.  Given the following prices of used homes (in thousands):
109.3
132.3
60.9
93.3
100.9
88
136.4
103.5
116.4
170.6
114.7
108.2
52.4
88.2
105.3
144.8
114.4
55.4
113.5
119.6
113.3
132
60.2
139.8
106.5
64.2
110.6
102.1
72.9
60.5
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

10.  Given the following:
29.2, 16.6, 12.6, 18.5, 23, 42.5, 28, 36.3, 9.9, 30, 39, 39.3, 33.1, 11.1, 42.6, 17.1, 22, 10.5, 16.9, and 36.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

11.
52 Week
High
52 Week
Low
Stock Dividend
In Dollars
Close
$15.42 $9.84 CUO $0.84 $10.53
$128.06 $47.75 WJP $7.22 $90.25
$173.75 $130.63 VXN $13.12 $131.22
$7.29 $6.22 ACB $0.19 $6.42
$299.29 $178.52 FYZ $0 $242.14
$192.59 $155.73 XMN $15.90 $176.72
$261.12 $31.96 UZQ $3.58 $178.95
$140.77 $8.84 GVE $0 $59.54
$112.38 $74.72 BOB $5.41 $90.16

  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:
78.14, 81.15, 113.7, 70.2, 103.75, 68.99, 48.88, 121.35, 119.64, and 80.44.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________