Name _____________________________
Date ___________________
Calculating the Range, Variance, and Standard Deviation
(Answer ID # 0152345)
Calculate the values to the nearest tenth.

1.  48, 71, 38, 16, 93, 51, 86, 38, and 58.
Write the range:  _________

2.  66, 68, 21, 74, and 68.
Write the range:  _________

3.  10.7, 30.3, -4.7, 21.9, 6.1, -19.8, 2.8, 31.9, -15.9, and 21.9.
Write the range:  _________

4.  41.8, -22.1, -30.2, 34.7, -10, -12.7, -0.5, -18.1, -30.2, and -39.6.
Write the range:  _________

5.  Given the following:
155, 118, 65, 135, 74, 151, 150, 144, 149, 72, 143, 100, 110, 72, 162, 135, 141, 77, 106, and 163.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

6.  Given the following:
58.27, 57.38, 63.52, 78.5, 84.57, 52.24, 52.2, 63.82, 55.86, and 83.06.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

7.  Given the following:
102.7, 87.7, 54.3, 67.2, 73.8, 76.1, 83.1, 64.5, 92.7, 86.7, 86, 84, 72.7, 95.4, 67.8, 86.9, 65.9, 68, 84.2, and 67.6.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

8.  Given the following annual mutual fund returns:
22.36
14.17
-42.1
3.54
22.1
61.76
23.29
46.42
-45.23
14.55
-43.66
0.86
-49.39
37.78
22.96
33.06
8.6
17.52
-42.23
-44.41
9.11
-42.33
18.31
18.29
21.67
5.66
7.93
7.31
7.48
46.94
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

9.  Given the following prices of used homes (in thousands):
60.6
112.2
142.7
122.5
81.7
72
102.2
153.6
77.8
169
75.9
96.1
84
117.1
111.1
110.2
159.5
191.5
119.7
108.8
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

10.  Given the following prices of used cars:
$30,700
$25,300
$5,600
$12,700
$11,200
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

11.
52 Week
High
52 Week
Low
Stock Dividend
In Dollars
Close
$152.42 $114.97 IDX $10.12 $144.52
$11.12 $3.32 AIW $0.56 $9.32
$248.27 $184.13 GPQ $14.27 $203.82
$29 $1.22 RIQ $0 $13.82
$173.94 $3.46 DYK $0 $101.74
$212.45 $202.28 BCJ $2.03 $203.07
$258.54 $94.95 OHP $0 $216.42
$25.64 $2.58 QZP $0 $20.93
$298.84 $239.89 BVF $25.57 $284.09
$262.46 $229.48 YVD $10.34 $258.58
$92.15 $40.16 VKK $5.22 $57.98

  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:
81, 57, 99, 66, 57, 66, 73, 66, 81, 81, 54, 54, 51, 81, 66, 54, and 99.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________