Name _____________________________
Date ___________________
Calculating the Range, Variance, and Standard Deviation
(Answer ID # 0486482)
Calculate the values to the nearest tenth.

1.  41, 60, 45, 7, 7, 13, and 74.
Write the range:  _________

2.  3, 45, 40, 100, 28, 51, 22, 45, and 6.
Write the range:  _________

3.  16.8, -15.9, 9.4, -11.7, 9.4, 0.7, -4.3, 10, 33.2, and -2.
Write the range:  _________

4.  23.7, 10.3, 33.3, 21.6, 14, -23.4, -37.8, 2.8, 13.4, and 14.
Write the range:  _________

5.  Given the following prices of used homes (in thousands):
101.7
124.1
68.9
111.9
177.7
92.5
195.2
136.6
186.8
128.8
119.8
117.2
144.9
65.8
190.6
118.9
196.8
156.8
106
169.9
55.4
113.3
106.3
116.3
66.9
111
59.3
134.6
175.2
109.3
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

6.  Given the following annual mutual fund returns:
24.51
10.17
-44.61
9.98
18.08
27.69
18.47
-49.36
-41.28
22.73
7.27
17.93
-45.17
-42.59
14.62
18.04
13.67
10.51
-49.69
-41.62
27.52
15.36
-49.31
46.35
8.21
39.4
16.5
31.32
1.26
35.72
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

7.  Given the following:
100.3, 150.9, 41.4, 80.7, 32.4, 119.8, 202.3, 212.4, 132, and 111.3.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

8.
52 Week
High
52 Week
Low
Stock Dividend
In Dollars
Close
$37.34 $7.31 XEV $2.32 $33.10
$166.74 $1.54 VFM $5.81 $58.12
$278.87 $108.35 INF $6.43 $160.81
$15.95 $9.63 ORS $1.21 $13.41
$289.34 $275.56 OPS $0 $283.09
$204.20 $45.91 FMA $10.31 $171.75
$279.40 $106.87 NGC $3.43 $171.36
$67.22 $2.52 DXO $3.30 $32.96
$160.18 $131.49 BIK $15.79 $157.88

  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:_________

9.  Given the following:
150.02, 175.18, 107.62, 93.95, 126.58, 142.03, 154.77, 154.2, 177.53, and 45.7.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

10.  Given the following:
171, 170, 164, 93, 59, 100, 53, 97, 119, 131, 185, 71, 141, 233, 190, 125, 199, 56, 112, and 44.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

11.  Given the following grades:
60, 61, 84, 74, 60, 50, 74, 77, 71, 86, 96, 63, 71, 96, 63, 60, 96, 96, 77, 96, 60, and 96.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

12.  Given the following prices of used cars:
$14,100
$12,900
$8,900
$7,300
$8,800
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________