Name _____________________________
Date ___________________
Calculating the Range, Variance, and Standard Deviation
(Answer ID # 1034298)
Calculate the values to the nearest tenth.

1.  100, 5, 94, 47, 100, 53, 16, and 47.
Write the range:  _________

2.  2, 15, 38, 86, 65, 35, 35, and 62.
Write the range:  _________

3.  -12.1, -35.2, -15.7, -10.2, 17.4, -9.4, -9.4, 22.2, -32.9, and -14.9.
Write the range:  _________

4.  -25.8, -12.3, -28, 0.2, 20, 31.5, -15.2, 6.6, -25.8, and -20.1.
Write the range:  _________

5.  Given the following grades:
63, 85, 63, 52, 72, 92, 72, 63, 63, 63, 58, 94, 58, 90, 70, 63, and 67.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

6.  Given the following prices of used cars:
$34,300
$25,300
$8,000
$28,500
$7,000
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

7.  Given the following:
232.5, 254.97, 197.13, 184.33, 109.32, 249.34, 240.06, 69.03, 150.43, and 204.87.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

8.  Given the following:
86.5, 54.6, 95.5, 122, 37.3, 111.9, 126.1, 40.2, 75.2, and 123.8.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

9.  Given the following prices of used homes (in thousands):
177.9
119.2
69.8
105.3
172.4
99.6
107.1
112.7
116.1
103.6
67.7
183.4
58.9
112.6
192.8
50.1
59.8
108.4
196.9
101.5
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

10.  Given the following:
171, 134, 237, 174, 251, 237, 179, 247, 65, 249, 63, 82, 225, 202, 95, 210, 256, 134, 181, and 179.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

11.
52 Week
High
52 Week
Low
Stock Dividend
In Dollars
Close
$119.39 $23.92 FOE $0.89 $88.65
$86.72 $55.69 VVR $1.17 $58.71
$27.60 $6.64 WNO $0 $17.28
$128.54 $27.17 HHJ $10.39 $115.40
$37.32 $9.06 QOH $3.64 $36.44
$143.15 $55.97 SNC $1.73 $57.59
$53.01 $50.89 ZQP $0.51 $51.36
$32.94 $2.39 LGU $1.35 $19.28
$140.09 $35.44 WNU $1.03 $103
$70.77 $50.80 CTO $2.05 $51.32

  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:_________

12.  Given the following annual mutual fund returns:
3.54
41.26
70.46
17.98
24.2
4.53
-41.79
18.89
0.73
-40.32
8.18
-42.96
24.27
-45.94
11.11
5.2
59.94
12.94
-49.92
-41.24
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________