Name _____________________________
Date ___________________
Calculating the Range, Variance, and Standard Deviation
(Answer ID # 0413458)
Calculate the values to the nearest tenth.

1.  10, 3, 33, 49, 28, 21, and 10.
Write the range:  _________

2.  37, 48, 52, 48, 84, 63, 60, and 95.
Write the range:  _________

3.  -11.8, 12.4, -9.6, -31.3, 35.9, -24.1, -25.5, 6.7, -9.6, and 13.5.
Write the range:  _________

4.  25.5, -0.8, 10.4, 16.2, 20.4, -18.3, -16, -18.3, -11.6, and -17.2.
Write the range:  _________

5.  Given the following:
48, 84, 43, 96, 141, 58, 52, 54, 90, 130, 72, 60, 30, 157, 75, 45, 183, 134, 112, and 87.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

6.  Given the following:
31.1, 38.5, 16.1, 91, 81.9, 33.8, 44.5, 26.1, 23, and 72.7.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

7.  Given the following grades:
81, 56, 51, 76, 74, 52, 52, 67, 75, 52, 97, 75, and 56.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

8.  Given the following prices of used homes (in thousands):
198.1
129
110.6
105.9
93.1
101.1
104.6
109.1
177.7
108.3
115.3
82.1
133.6
72.3
102.9
188.6
87.3
67.2
107.2
63.1
102.9
117.6
116.1
131.8
60
94.4
108.9
107.8
149.3
113.6
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

9.  Given the following:
140.68, 40.57, 191.21, 32.64, 48.22, 160.77, 76.64, 53.01, 37.64, and 80.56.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

10.  Given the following prices of used cars:
$11,200
$14,500
$11,900
$7,500
$9,400
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

11.  Given the following annual mutual fund returns:
17.59
0.63
14.6
4.24
17.22
58.1
3.55
-45.34
10.26
7.33
6.01
74.46
-41.4
5.5
15.82
19.91
65.26
24.97
22.35
1.91
20.1
14.26
-45.7
-49.58
10.58
24.57
5.04
-47.24
-44.3
16.32
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

12.
52 Week
High
52 Week
Low
Stock Dividend
In Dollars
Close
$166.32 $18.22 XRO $10.61 $132.67
$59.93 $49.02 LJR $3.60 $51.47
$83.69 $30.31 VVE $5.44 $54.38
$8.47 $2.08 DPP $0.25 $8.30
$75.91 $74.36 FOK $5.31 $75.81
$237.22 $104.09 VZB $13.61 $170.13
$168.33 $140.41 YCK $1.67 $167.05
$98.82 $23.76 MER $1.70 $42.39
$259.50 $167.66 ICN $8.54 $213.41

  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:_________