Name _____________________________
Date ___________________
Calculating the Range, Variance, and Standard Deviation
(Answer ID # 0600177)
Calculate the values to the nearest tenth.

1.  29, 14, 44, 90, 6, 6, and 64.
Write the range:  _________

2.  27, 44, 1, 1, and 78.
Write the range:  _________

3.  -10, 2.8, -30.7, 1.4, -43.6, -28, -30.7, 12.1, 9.5, and -10.1.
Write the range:  _________

4.  -22.5, 7.5, 17.1, 17.1, -8.3, 40.6, -10.2, -32, -7.9, and -1.
Write the range:  _________

5.  Given the following grades:
73, 92, 92, 71, 92, 71, 92, 77, 71, 71, 76, 71, 50, 71, 77, 64, 58, 71, 64, 63, 86, and 71.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

6.  Given the following:
109, 103, 74, 85, 75, 86, 86, 127, 73, and 108.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

7.  Given the following prices of used cars:
$13,100
$7,800
$11,600
$25,400
$30,600
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

8.  Given the following:
89.11, 106.65, 17.47, 22.94, 133.78, 132.74, 72.33, 38.22, 101.08, 56.84, 67.72, 126.34, 75.2, 23.48, 12.77, 30.41, 55.31, 65.22, 88.88, and 43.23.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

9.  Given the following:
76.1, 181.7, 29.7, 170.4, 93.9, 176.4, 39, 159.4, 11, 18, 185.3, 45.8, 77.5, 69, 150.1, 143.2, 13.2, 156.8, 51, and 114.7.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

10.  Given the following annual mutual fund returns:
48.63
13.42
11.75
-49.17
5.82
1.3
22.73
10.14
-47.23
18.08
23.74
45.1
7.34
23.04
6.44
5.5
49.29
-48.71
5.78
13.3
14.19
20.92
10.25
54.42
15.82
1.83
-47.3
23.11
-43.4
18.61
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

11.  Given the following prices of used homes (in thousands):
131.4
176.2
67
160
109.7
178.8
194
162.6
183.2
52.1
183.9
125.8
131.2
128.6
180.4
114.2
128.2
130.5
110.6
115.3
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

12.
52 Week
High
52 Week
Low
Stock Dividend
In Dollars
Close
$41.86 $35.94 DRV $3.25 $36.06
$100.38 $65.17 QXH $2.92 $97.45
$298.84 $200.45 HDL $29.47 $294.71
$118.40 $50.35 NWR $6.20 $77.56
$12.79 $10.61 YCH $0.25 $12.62
$220.03 $143.23 ETZ $20.39 $203.91
$95.13 $49.87 CVX $2.72 $90.78
$125 $3.68 XOK $3.87 $77.44
$86.50 $76.47 NSJ $1.66 $82.89
$77.28 $33.75 LVL $3.06 $43.73

  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:_________