Name _____________________________
Date ___________________
Calculating the Range, Variance, and Standard Deviation
(Answer ID # 0345507)
Calculate the values to the nearest tenth.

1.  56, 62, 56, 56, 76, and 7.
Write the range:  _________

2.  58, 11, 81, 99, 81, and 97.
Write the range:  _________

3.  0.7, -7.8, 27.1, 26.4, 8.3, -4.8, 6.6, -4.8, -6.1, and 45.3.
Write the range:  _________

4.  10.6, 15.1, -2.4, 7.5, 24.4, 33.8, 12.3, 4.6, 33.8, and -6.5.
Write the range:  _________

5.  Given the following annual mutual fund returns:
24.18
50.41
7.63
9.72
2.67
15.32
9.67
30.24
15.74
14.38
16.13
1.73
-47.11
14.13
4.56
-45.17
-41.54
19.42
29.66
7.18
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

6.  Given the following prices of used cars:
$36,300
$27,500
$9,600
$7,600
$12,700
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

7.  Given the following prices of used homes (in thousands):
100.6
108.1
161.7
192
132.9
114.8
113.3
117.6
113.8
110.3
74.8
158.1
67.8
100.7
52.3
150.1
102.8
75.2
95.9
107.5
117
190
101.2
50.6
112.7
77.8
111.4
185.7
133.5
75.7
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

8.  Given the following:
154, 59, 83, 133, 38, 95, 57, 31, 95, 159, 141, 115, 155, 153, 111, 188, 175, 92, 188, and 68.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

9.  Given the following grades:
90, 59, 90, 50, 80, 73, 50, 65, 90, 65, 50, 86, 95, 73, 74, 81, 50, and 59.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

10.  Given the following:
14.72, 82.13, 26.04, 38.64, 95.35, 48.41, 18.04, 104.59, 77.58, 79.75, 10.63, 27.66, 32.67, 81.43, 56.01, 72.25, 45.64, 77.28, 70.17, and 102.92.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

11.  Given the following:
48.6, 86.6, 82, 57.1, 113.2, 49.2, 105.9, 81.1, 74.5, and 91.2.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

12.
52 Week
High
52 Week
Low
Stock Dividend
In Dollars
Close
$283.76 $58.17 ZTT $0 $79.47
$103.98 $68.92 FXC $8.90 $98.93
$175.13 $144.92 UQV $4.71 $156.87
$253.04 $108.93 UGN $2.14 $213.56
$191.66 $152.22 XWC $1.79 $178.86
$261.91 $152.57 IYX $24.03 $240.25
$33.66 $7.48 BWT $0.60 $29.93
$249.43 $15.11 YAA $6.00 $149.88
$31.65 $27.11 EBS $0.59 $29.62
$139.59 $123.96 TWG $13.22 $132.15
$146.39 $51.24 JVR $1.13 $56.53
$83.38 $9.42 GTY $2.30 $25.52
$220.94 $114.15 HXF $2.88 $144.10

  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:_________