Name _____________________________
Date ___________________
Calculating the Range, Variance, and Standard Deviation
(Answer ID # 0372322)
Calculate the values to the nearest tenth.

1.  63, 8, 63, 83, and 83.
Write the range:  _________

2.  10, 9, 63, 27, 92, 39, 63, 9, and 92.
Write the range:  _________

3.  -10.7, 5.3, -4.6, -15, 5.4, 14.2, 9.3, -30.8, -10.9, and -10.9.
Write the range:  _________

4.  15.6, -38, -24.6, -21.6, 2, 17.9, -0.3, 21.2, 17.9, and -7.3.
Write the range:  _________

5.  Given the following:
84.5, 63.2, 35, 82.7, 73.9, 21.9, 23.5, 43, 79.5, and 39.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

6.  Given the following:
58.6, 51.96, 27.49, 55.06, 32.81, 66.65, 28.35, 31.33, 12.5, and 23.53.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

7.  Given the following:
103, 154, 135, 131, 175, 135, 104, 55, 92, and 55.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

8.  Given the following annual mutual fund returns:
9.65
13.49
17.3
5.51
-40.19
13.27
-40.62
0.75
24.72
-49.34
-47.68
29.86
45.85
11.93
8.14
18.46
54.98
14.71
4.54
38.96
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

9.
52 Week
High
52 Week
Low
Stock Dividend
In Dollars
Close
$37.67 $3.05 QOP $0.74 $24.55
$226.99 $38.08 XVZ $9.47 $189.35
$150.68 $69.10 EJE $7.45 $149
$163.20 $85.10 AJT $3.58 $89.47
$268.63 $107.99 LFQ $0 $148.05
$96.72 $74.04 LLE $3.43 $85.63
$34.21 $23.56 LCD $1.88 $31.37
$72.66 $66.39 MQM $5.32 $66.56
$28.11 $10.04 PHV $0.55 $13.86
$228.84 $30.78 CIG $4.29 $85.71
$286.81 $45.23 ZQX $12.45 $177.83
$115.65 $73.36 VNR $3.09 $103
$255.52 $50.46 OTD $5.85 $146.18
$132.95 $46.59 SVT $2.54 $63.48

  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:_________

10.  Given the following grades:
64, 87, 92, 81, 81, 87, 69, 69, 69, 69, 87, 69, 81, 92, 69, and 75.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

11.  Given the following prices of used cars:
$13,300
$25,700
$13,800
$14,100
$13,600
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

12.  Given the following prices of used homes (in thousands):
192.2
154.8
100.5
157.9
130.2
136.8
182
60
50.6
115.6
110.2
118.7
77.3
107.7
54.2
73.7
191.5
110.1
77.3
106.2
75.8
187.1
118.9
106.5
116.8
147.5
107.5
190.9
54.5
101.3
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________