Name _____________________________
Date ___________________
Calculating the Range, Variance, and Standard Deviation
(Answer ID # 0448186)
Calculate the values to the nearest tenth.

1.  36, 8, 93, 20, and 20.
Write the range:  _________

2.  59, 36, 76, 80, and 76.
Write the range:  _________

3.  4.8, -40.3, 14.5, -20.5, -1, 17.4, 4.8, 7.6, 19, and 5.4.
Write the range:  _________

4.  -14.8, -34.5, 15.5, -15.4, -0.3, -4, 15.5, -8.9, 14.5, and -9.8.
Write the range:  _________

5.  Given the following:
167.8, 107.9, 88.2, 138.7, 147.2, 94.4, 116.6, 111.2, 96.9, 102.7, 82.3, 121.6, 96.4, 138.5, 191.4, 163.2, 91.2, 120.4, 62.7, and 75.6.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

6.  Given the following:
96, 226, 136, 151, 76, 248, 170, 246, 94, and 127.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

7.  Given the following:
147.64, 116.01, 73.69, 150.29, 118.21, 148.74, 69.42, 135.78, 179.48, 107.53, 111.67, 124.08, 139.8, 183.77, 161.62, 123.44, 115.08, 150.96, 123.34, and 147.49.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

8.  Given the following annual mutual fund returns:
21.37
-47.04
68.76
22.2
22.99
23.93
24.61
-43.89
22.45
-41.87
5.05
14.76
14.8
32.51
7.56
17.8
9.76
21.45
9.98
7.32
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

9.  Given the following prices of used homes (in thousands):
101.1
100.2
126.1
112.8
125.1
112.3
141.5
198
110.6
114.8
144.9
116.5
118
117.2
99.1
107.8
125.7
125.8
60.4
174.6
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

10.  Given the following prices of used cars:
$5,600
$28,600
$27,900
$13,400
$9,300
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

11.
52 Week
High
52 Week
Low
Stock Dividend
In Dollars
Close
$101.83 $35.31 CKM $2.62 $52.35
$244.56 $84.13 JHW $10.75 $119.40
$29.20 $7.18 MDU $0.69 $17.34
$256.23 $148.75 NGV $16.92 $211.48
$80.85 $59.02 ZCG $5.22 $74.55
$165.30 $153.13 HSR $13.10 $163.71
$84.03 $40.79 PME $1.97 $49.20
$40.61 $17.94 ARV $0.37 $37.02
$179.82 $17.88 VPM $2.51 $35.89

  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 grades:
100, 52, 59, 78, 88, 84, 78, 96, 90, 90, 62, 78, 88, 84, 62, 54, 84, 84, 78, 64, 84, 62, and 82.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________