Name _____________________________
Date ___________________
Calculating the Range, Variance, and Standard Deviation
(Answer ID # 0105917)
Calculate the values to the nearest tenth.

1.  6, 88, 13, 93, 88, 43, 24, and 36.
Write the range:  _________

2.  74, 90, 97, 43, 14, 88, 37, and 74.
Write the range:  _________

3.  -26.4, 14.5, 15.4, 4.9, -19.4, 9.2, -4, -19.4, -13.6, and -29.2.
Write the range:  _________

4.  16.6, -9.7, 29, -41, 1, -27.1, 14.2, -8, -9.7, and -40.3.
Write the range:  _________

5.
52 Week
High
52 Week
Low
Stock Dividend
In Dollars
Close
$112.05 $15.14 YQC $1.79 $89.28
$125.85 $29.69 LBP $1.44 $48.03
$219.75 $162.93 RJU $1.77 $176.61
$152.07 $64.99 JEK $9.84 $122.95
$195.37 $24.41 KWA $9.39 $104.33
$198.75 $12.34 WHN $0.73 $73.19
$55.14 $11.08 JTE $0.39 $39.44
$254.96 $99.45 EOG $7.41 $105.79
$256.18 $122.95 FXL $11.16 $124.02
$175.76 $169.31 FWB $8.63 $172.60
$108.82 $51.65 CZS $3.03 $100.89
$130.88 $103.75 LGM $2.08 $104.01
$244.95 $39.19 OSB $3.01 $100.17

  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:_________

6.  Given the following:
20.2, 47.1, 111, 62.6, 104, 105, 142.7, 65.6, 20.1, and 87.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

7.  Given the following prices of used cars:
$10,600
$36,300
$10,300
$14,700
$10,000
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

8.  Given the following:
16, 8, 16, 21, 20, 55, 53, 24, 16, 37, 16, 49, 18, 17, -1, 40, 1, 15, 24, and 56.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

9.  Given the following grades:
98, 74, 52, 86, 64, 64, 64, 64, 64, 99, 64, and 56.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

10.  Given the following:
28.77, 111.7, 58.09, 99.42, 163.76, 117.42, 126.44, 80.78, 150.05, 82.04, 147.69, 16.78, 177.23, 67.55, 194.92, 193.52, 128.71, 207.74, 110.97, and 69.66.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

11.  Given the following prices of used homes (in thousands):
115.8
149.2
80.5
94
123
134.5
77.5
111.5
170.6
122.8
131.6
156.4
96.2
103.5
146.4
159.5
110.6
140.7
103.9
199.7
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

12.  Given the following annual mutual fund returns:
47.01
13.28
17.21
4.45
9.74
-46.75
1.13
4.78
6.76
21.17
36.53
43.13
7.73
-44.87
5.45
4.64
18.55
0.57
-45.32
10.69
16.64
10.46
20.33
15.66
15.3
-48.85
-47.49
20
69.25
1.18
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________