Name _____________________________
Date ___________________
Calculating the Range, Variance, and Standard Deviation
(Answer ID # 0274923)
Calculate the values to the nearest tenth.

1.  24, 13, 99, 63, 37, 12, 39, 78, and 12.
Write the range:  _________

2.  34, 24, 17, 24, 38, 65, and 49.
Write the range:  _________

3.  25.9, 25.9, -5.5, -12, 12.2, 9.9, 3, -8.6, 1.7, and 3.5.
Write the range:  _________

4.  35.3, 27.7, 8.1, -11.3, 29.9, 12.4, -10.9, -14.2, 27.7, and 2.9.
Write the range:  _________

5.  Given the following:
168, 141, 115, 138, 157, 140, 105, 102, 153, and 156.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

6.  Given the following annual mutual fund returns:
8.65
15.09
51.22
15.66
27.3
-41.89
27.97
-48.97
4.19
23.73
12.01
-48.44
13.53
22.51
62.33
16.22
-48.78
10.88
28.32
23
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

7.  Given the following grades:
52, 72, 73, 87, 71, 52, 58, 62, 72, 87, 72, 83, 58, and 94.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

8.  Given the following:
49.7, 61.8, 39, 60, 56.1, 44.9, 31.1, 46, 30.1, and 52.9.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

9.  Given the following prices of used homes (in thousands):
134.8
107.1
89.3
161.9
116.2
110.9
56.3
54.8
71.6
98.5
74.7
163
89.6
118.3
140.9
103.4
76.6
72
190.6
105
61.3
114.4
186.5
75.4
115.6
77.5
116.7
102.6
144.1
171.9
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

10.  Given the following prices of used cars:
$14,000
$38,400
$7,700
$7,800
$7,500
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

11.  Given the following:
64.96, 47.99, 37.84, 77.09, 162.55, 77.57, 21.4, 128.72, 80.71, 95.15, 86.81, 158.9, 45.31, 84.88, 164, 92.88, 95.94, 99.4, 83.91, and 29.66.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

12.
52 Week
High
52 Week
Low
Stock Dividend
In Dollars
Close
$89.78 $35.96 YRG $4.58 $76.35
$261.76 $172.23 YQE $0 $206.95
$12.10 $6.69 KWB $0.40 $8.06
$289.26 $186.53 ODZ $1.99 $198.72
$277.94 $151.42 CGA $1.86 $185.89
$148.79 $77.14 NOK $7.32 $104.54
$137.51 $125.91 QNQ $10.67 $133.38
$197.64 $36.75 ZYN $0 $38.89
$122.60 $63.65 CJY $0 $92.84

  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:_________