Name _____________________________
Date ___________________
Calculating the Range, Variance, and Standard Deviation
(Answer ID # 0556460)
Calculate the values to the nearest tenth.

1.  27, 63, 42, 34, 27, and 53.
Write the range:  _________

2.  37, 78, 11, 45, and 11.
Write the range:  _________

3.  0.2, 24.7, 19.4, -8.8, -27.1, -2.3, 22, -27.1, 3.3, and 34.2.
Write the range:  _________

4.  28.1, 1.8, 1.4, -14.4, -10.8, -22.9, -2.5, 20.3, 13.3, and 28.1.
Write the range:  _________

5.  Given the following:
94, 68.1, 61, 77.2, 56.7, 78.5, 56.2, 70.4, 92.1, and 79.8.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

6.  Given the following prices of used homes (in thousands):
104.1
197.9
87.3
57.7
108
117.9
110.3
113.6
118.8
130.4
116.5
99.9
113.3
113.4
115.3
141.6
198.9
61.2
197.3
105.1
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

7.
52 Week
High
52 Week
Low
Stock Dividend
In Dollars
Close
$247.34 $103.91 IAN $12.16 $173.74
$89.14 $25.76 CWJ $6.73 $74.76
$253.01 $213.96 JFD $9.02 $225.44
$98.54 $7.99 WWQ $0.40 $39.83
$148.91 $138.21 QYG $11.23 $140.38
$110.69 $13.68 TFQ $0 $81.15
$86.10 $56.33 CMM $6.40 $71.10
$41.31 $10.11 KKP $2.34 $38.97
$83.38 $26.43 XSE $5.06 $72.34
$176.80 $52.85 AZD $3.30 $165
$47.69 $15.73 KAT $0 $40.31

  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:
165.1, 82.87, 55.18, 52.26, 172.59, 76.62, 77.04, 120.83, 89.14, 94.85, 172.79, 116.93, 173.06, 100.55, 91.48, 140.67, 140.54, 64.83, 56.82, and 142.65.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

9.  Given the following grades:
89, 65, 83, 65, 90, 73, 76, 60, 53, 81, 53, 65, 65, 65, 65, 65, 83, 83, 52, 54, 90, 65, and 52.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

10.  Given the following annual mutual fund returns:
14.9
22.98
13.89
11.05
24.23
6.78
14.71
15.14
74.36
12.71
5.69
2.54
4.16
4.47
23.72
20.5
36.57
-44.05
13.02
23.1
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

11.  Given the following:
40, 41, 60, 66, 56, 50, 58, 39, 54, and 46.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

12.  Given the following prices of used cars:
$11,400
$14,900
$39,800
$12,500
$28,400
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________