Name _____________________________
Date ___________________
Calculating the Range, Variance, and Standard Deviation
(Answer ID # 0476201)
Calculate the values to the nearest tenth.

1.  19, 60, 19, 26, 29, and 12.
Write the range:  _________

2.  88, 49, 3, 43, 67, 11, 88, 100, and 45.
Write the range:  _________

3.  -46.1, 10.7, 29.2, -36.5, -2.8, 0.4, 44.6, 5.3, 19.2, and 44.6.
Write the range:  _________

4.  1.2, 9.4, -5.1, -22.9, 40.6, 20.9, -5.1, -23, -8.8, and -39.3.
Write the range:  _________

5.  Given the following:
52, 67.6, 19.4, 24.7, 17.9, 68.9, 69.9, 64.6, 53.2, 57.5, 69, 51.4, 49.2, 57.8, 28, 65.3, 39.1, 56.3, 25.4, and 21.9.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

6.  Given the following prices of used cars:
$13,400
$13,800
$13,400
$14,900
$39,500
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

7.  Given the following:
56, 13, 74, 37, 129, 28, 87, 0, 141, 137, 11, 84, 6, 76, 88, 27, 68, 95, 80, and 114.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

8.  Given the following annual mutual fund returns:
-42.81
-44.94
14.72
23.58
20.6
34.29
-47.9
18.83
14.22
9.43
-42.99
7.09
73.9
7.55
46.59
30.25
21.54
30.02
-42.57
23.23
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

9.  Given the following:
101.05, 194.87, 207.29, 184.51, 224.24, 196.03, 221.9, 221.54, 161.92, and 219.61.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

10.
52 Week
High
52 Week
Low
Stock Dividend
In Dollars
Close
$113.19 $32.13 EQZ $8.13 $81.29
$135.56 $74.89 CST $3.98 $79.65
$107.33 $96.47 RVM $3.07 $102.37
$56.84 $6.78 ISK $2.11 $23.40
$83.82 $18.04 AUX $0.72 $35.77
$122.26 $79.10 IFQ $5.73 $81.89
$294.38 $114.11 BQV $20.94 $209.37
$126.84 $90.17 FXO $0 $97.93
$147.16 $25.38 WLG $3.79 $75.82

  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:_________

11.  Given the following grades:
62, 91, 50, 86, 91, 73, 89, 91, 65, 50, 62, 62, 79, 50, and 50.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

12.  Given the following prices of used homes (in thousands):
115.2
103.8
106.3
101.2
100.6
80.9
50.4
162.5
144.5
171.5
123.6
109.4
117.9
148.1
139.2
100.4
100.9
116.9
135.6
118.3
174.9
122.7
103.8
113.4
176.8
87.7
100.8
111.8
169.1
191.1
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________