Name _____________________________
Date ___________________
Calculating the Range, Variance, and Standard Deviation
(Answer ID # 0412619)
Calculate the values to the nearest tenth.

1.  25, 73, 14, 64, 71, 25, 65, 47, and 12.
Write the range:  _________

2.  9, 93, 14, 7, 31, 93, and 59.
Write the range:  _________

3.  -3.6, -14.7, -11.6, -1.4, -1.6, 2.3, 9.4, 3.2, 31.5, and -1.6.
Write the range:  _________

4.  -33, 8.6, 22.1, -17.4, -10.9, -22.4, 12.2, 12.2, -4, and 11.3.
Write the range:  _________

5.  Given the following:
61, 107, 114, 62, 73, 109, 73, 64, 113, 67, 94, 56, 98, 62, 88, 95, 112, 80, 65, and 67.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

6.
52 Week
High
52 Week
Low
Stock Dividend
In Dollars
Close
$151.83 $25.28 JQQ $6.81 $97.27
$234.70 $30.48 UWD $5.39 $107.78
$58.76 $2.41 CWB $0 $13.40
$212.61 $8.37 OTJ $8.08 $202.08
$106.85 $39.80 FIG $7.17 $79.72
$143.89 $36.49 KRN $9.76 $97.60
$233.39 $23.08 IVX $13.51 $225.16
$97.45 $78.06 OHM $2.78 $92.66
$40.43 $19.22 LVS $3.17 $39.67
$15.05 $6.71 QIY $0.69 $6.92

  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:_________

7.  Given the following prices of used cars:
$10,900
$30,300
$25,400
$31,400
$30,600
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

8.  Given the following:
66.96, 40.36, 70.03, 36.38, 56.48, 29.16, 41.94, 48.97, 28.94, and 67.57.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

9.  Given the following prices of used homes (in thousands):
162.2
114.2
178.9
177.5
76.9
69
111.7
135.1
116.8
121.1
193.8
121.8
66.4
101.2
111.2
117
53.8
102.3
109.6
119.8
113.6
116.9
114.5
155.2
59.7
128.8
184.5
111.5
168.5
118
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

10.  Given the following grades:
100, 53, 60, 79, 68, 91, 88, 60, 77, 79, 77, 91, and 60.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

11.  Given the following:
116.1, 107.7, 112, 134.9, 91.3, 138.5, 112.9, 55.9, 115.7, 62.3, 70.4, 129.4, 105.7, 83.6, 90.9, 99.3, 141.4, 102.4, 124, and 132.3.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

12.  Given the following annual mutual fund returns:
1.05
14.23
20.17
18.49
22.81
7.53
2.54
15.77
2.3
18.72
-45.81
-45.41
24.44
3.78
5.24
73.78
6.37
-46.34
34.94
17.18
15.84
24.41
2.59
8.35
56.83
1.42
66.35
-44.57
7.8
22.17
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________