Name _____________________________
Date ___________________
Calculating the Range, Variance, and Standard Deviation
(Answer ID # 0193573)
Calculate the values to the nearest tenth.

1.  96, 92, 48, 52, 38, 79, and 38.
Write the range:  _________

2.  4, 70, 41, 90, 90, and 22.
Write the range:  _________

3.  6.5, 20.6, -8.1, 30.5, 3.7, 0.2, 3.7, -8.3, 23.1, and 3.6.
Write the range:  _________

4.  28.2, -1, 27.4, 33.9, -14, -38.5, 27.5, 27.5, 20.4, and -20.6.
Write the range:  _________

5.  Given the following prices of used cars:
$13,400
$15,000
$35,900
$10,800
$7,700
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

6.  Given the following:
82, 123, 92, 85, 113, 118, 118, 123, 94, 111, 114, 119, 82, 121, 99, 72, 94, 91, 101, and 90.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

7.  Given the following annual mutual fund returns:
-44.81
8.09
19.03
6.17
19.27
15.94
21.65
10.59
-40.26
5.65
-43.54
24.1
13.08
9.44
-44.32
7.17
9.61
18.23
25.27
29.63
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

8.  Given the following grades:
85, 87, 98, 72, 87, 94, 94, 88, 92, 94, 94, 69, 86, and 94.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

9.  Given the following:
194.1, 72, 79.9, 75.7, 120.8, 143.2, 97, 193.3, 131.7, and 152.5.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

10.  Given the following prices of used homes (in thousands):
101.3
110.1
107.2
187.3
180.8
107.4
119.5
119.2
72.8
108
198.6
119
81.8
92.2
133.1
106.1
135.2
196.1
136.8
79.5
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

11.
52 Week
High
52 Week
Low
Stock Dividend
In Dollars
Close
$234.16 $12.31 JTY $20.88 $208.80
$60.60 $31.35 UFE $4.58 $45.80
$45.36 $20.02 GDC $0.68 $22.60
$34.46 $11.15 AUZ $0.43 $14.30
$158.11 $141.43 NNY $6.19 $154.70
$186.21 $116.31 DOW $9.01 $180.28
$156.66 $133.49 UXO $0 $147.45
$275.07 $237.85 YNM $14.86 $247.70
$245.73 $149.41 BJR $12.43 $207.24
$267.41 $41.06 GJP $6.72 $134.31
$199.55 $62.74 MDH $11.38 $142.27
$220.41 $123.52 GDF $12.81 $128.10
$231.24 $89.15 OCZ $10.64 $212.80

  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:
39.14, 76.43, 90.01, 147.54, 145.5, 79.89, 140.52, 130.95, 49.03, and 34.4.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________