Name _____________________________
Date ___________________
Calculating the Range, Variance, and Standard Deviation
(Answer ID # 1062578)
Calculate the values to the nearest tenth.

1.  1, 49, 1, 90, and 60.
Write the range:  _________

2.  29, 45, 4, 26, 83, 86, 45, and 61.
Write the range:  _________

3.  -0.8, 4.4, 21, 4.4, 6.6, -25.5, -9.1, 31.8, -10.8, and 27.9.
Write the range:  _________

4.  -18.4, -25, -16.2, -7.7, -13, -24.5, -25, -19.8, 9.7, and 29.8.
Write the range:  _________

5.  Given the following:
51.1, 59.8, 53.68, 51.73, 47.85, 43.57, 60.17, 58.04, 56.14, 53.96, 36.14, 40.08, 40.36, 36.68, 41.41, 56.95, 39.74, 55.83, 36.21, and 51.79.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

6.  Given the following annual mutual fund returns:
19.89
-43.98
16.6
20.54
-48.51
67.89
70.05
74.93
18.99
17.8
11.86
-47.61
37.87
4.75
7.03
1.49
42.08
6.35
13.31
29.84
24.59
-41.99
68.96
22.89
2.76
13.07
-40.99
2.11
43.23
21.33
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

7.  Given the following grades:
70, 70, 60, 60, 62, 82, 62, 98, 70, 62, 90, 69, 70, 98, 60, 70, 62, 60, 69, 88, 90, and 98.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

8.  Given the following:
76, 31, 120, 47, 82, 41, 111, 149, 90, and 116.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

9.  Given the following prices of used homes (in thousands):
117.8
89.2
63.7
119.6
75.5
114.1
105.1
198.8
141.5
100.4
185.2
132.5
155.8
99.2
114.2
191.5
113.8
89.6
155.1
135.6
113.6
115.3
108.2
119.3
107.2
107.8
73.6
198.9
105.3
196.6
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

10.  Given the following:
83.3, 63.7, 131, 135.7, 140, 126, 108.3, 35.1, 103.2, and 111.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

11.  Given the following prices of used cars:
$14,700
$10,700
$7,100
$31,300
$14,400
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

12.
52 Week
High
52 Week
Low
Stock Dividend
In Dollars
Close
$132.76 $72.57 ETR $1.25 $124.52
$99.76 $65.59 BRS $8.84 $88.41
$55.12 $30.90 UAD $1.20 $40.12
$139.85 $38.72 YSG $7.41 $74.06
$111.47 $107.85 HYT $6.68 $111.25
$158.44 $10.81 BII $6.10 $67.82
$236.89 $87.58 BFV $9.41 $104.58
$78.23 $32.33 SLJ $1.49 $49.56
$189.41 $91.97 MNU $9.33 $133.28

  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:_________