Name _____________________________
Date ___________________
Calculating the Range, Variance, and Standard Deviation
(Answer ID # 0438438)
Calculate the values to the nearest tenth.

1.  10, 37, 24, 28, 14, 10, and 43.
Write the range:  _________

2.  41, 71, 93, 93, and 32.
Write the range:  _________

3.  2.5, -6.7, -14.7, -6.7, -34.9, -4.8, -11.9, 32.4, 22.7, and 33.8.
Write the range:  _________

4.  39.4, -16, 7.6, 20.1, 40, 39.4, 17.3, -8.4, 0.7, and -6.3.
Write the range:  _________

5.  Given the following prices of used homes (in thousands):
180.5
55.5
168.6
103.7
142.7
111.5
146.7
168.7
105.5
101.1
103.9
194.2
54.4
58.9
173.4
172.3
101.7
126.6
196.5
100.9
119.2
78.7
186.8
112.9
79.5
150.3
163.8
100.7
95.1
107.7
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

6.  Given the following:
193.06, 94.5, 171.66, 122.18, 106.05, 100.65, 58.68, 187.09, 95.68, 65.15, 88.27, 86.27, 147.26, 111.71, 138.35, 156.82, 182.19, 169.11, 125.09, and 86.91.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

7.  Given the following:
79.8, 89.9, 57.8, 95.5, 101.5, 58.9, 104.4, 72.2, 65, and 62.7.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

8.  Given the following:
164, 138, 53, 184, 182, 109, 59, 72, 82, and 116.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

9.  Given the following prices of used cars:
$39,500
$29,100
$9,700
$14,000
$12,400
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

10.  Given the following annual mutual fund returns:
35.44
2.76
16.31
21.78
14.73
-45.08
12.27
-40.33
20.99
8.46
13.99
2.27
42.7
-46.13
41.46
15.04
3.04
69.19
-42.59
-47.14
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

11.  Given the following grades:
54, 50, 54, 96, 54, 54, 85, 96, 54, 65, 54, 66, 96, 61, 50, 96, 95, 74, 85, 73, 78, 78, 54, and 54.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

12.
52 Week
High
52 Week
Low
Stock Dividend
In Dollars
Close
$266.29 $146.34 HUH $2.56 $255.80
$284.26 $137.04 KXF $0 $187.12
$296.50 $48.51 YUY $0 $167.10
$255.33 $2.69 DRU $2.53 $252.86
$77.93 $41.50 AJG $3.00 $49.92
$233.37 $111.16 QIC $11.15 $185.88
$181.42 $152.19 HPF $4.94 $164.79
$92.97 $68.87 JXS $7.74 $86.04
$214.58 $93.41 GFQ $4.57 $114.35
$207.14 $85.45 NXT $1.69 $168.53
$52.22 $45.91 FIC $2.37 $47.42
$89.29 $30.04 IVW $6.80 $67.95
$248.68 $205.35 WEW $23.50 $234.97
$276.19 $88.47 VTE $8.14 $271.20

  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:_________