Name _____________________________
Date ___________________
Calculating the Range, Variance, and Standard Deviation
(Answer ID # 0223955)
Calculate the values to the nearest tenth.

1.  97, 47, 36, 12, 20, 54, 67, 36, and 59.
Write the range:  _________

2.  84, 1, 84, 42, 85, and 14.
Write the range:  _________

3.  -0.5, -13.1, -0.3, 25.4, 36.6, 9.7, -6.6, -3.2, -8.7, and -8.7.
Write the range:  _________

4.  -30.3, -30.3, -18.3, -20.6, 31.2, 26.6, -34.4, 17.4, 31, and 15.3.
Write the range:  _________

5.  Given the following prices of used cars:
$30,300
$26,800
$14,700
$11,200
$5,900
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

6.  Given the following:
106, 171, 79, 157, 92, 82, 175, 38, 167, and 84.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

7.
52 Week
High
52 Week
Low
Stock Dividend
In Dollars
Close
$108.96 $72.44 XKJ $6.67 $74.12
$161.84 $69.91 FIR $11.04 $157.71
$23.74 $20.50 DQV $1.18 $23.69
$253.20 $45.99 YUX $8.80 $125.68
$141.33 $79.84 SIV $12.12 $121.17
$68.16 $5.90 XQU $1.14 $38.01
$65.61 $55.88 ACW $1.16 $57.80
$177.89 $77.40 YLR $1.40 $140.09
$46.52 $10.75 XOQ $0.58 $11.69
$90.51 $25.51 QZP $3.96 $79.21

  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:_________

8.  Given the following grades:
88, 76, 89, 80, 52, 86, 55, 86, 72, 57, 86, 92, 72, and 88.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

9.  Given the following:
97, 17.8, 47.3, 33.2, 64.5, 63, 103.5, 52.3, 28.9, and 64.5.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

10.  Given the following:
27.1, 15.86, 33.18, 17.26, 12.68, 40.28, 35.65, 30.22, 35.52, and 27.77.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

11.  Given the following prices of used homes (in thousands):
113.1
115.7
109.5
192.4
175.5
123.1
108
104.5
104.4
170.7
141.7
147.2
117.5
106.5
142.4
195.3
130
119
169
91.5
114.9
103.3
186.4
146.8
100.2
91.2
109.3
111.7
106.2
171.4
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

12.  Given the following annual mutual fund returns:
73.38
21.37
12.2
2.9
-44.92
-47.04
33.29
5.53
0.75
21.82
21.29
-45.21
17.14
-40.51
-44.96
6.79
14.57
20.29
6.52
9.7
3.68
4.71
-45.91
-47.26
9.41
68.63
-43.16
20.37
17.09
-42.83
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________