Name _____________________________
Date ___________________
Calculating the Range, Variance, and Standard Deviation
(Answer ID # 0186883)
Calculate the values to the nearest tenth.

1.  3, 6, 6, 44, 89, and 76.
Write the range:  _________

2.  15, 85, 34, 29, 57, 20, and 34.
Write the range:  _________

3.  29.3, -7.7, -6.4, -6.4, 18.3, -7.6, -35, -10.3, -16.7, and 8.1.
Write the range:  _________

4.  -26.5, -18.8, -26.5, -14.1, -4, -12.5, 22.9, -0.5, -25.7, and -30.5.
Write the range:  _________

5.  Given the following annual mutual fund returns:
68.47
8.19
1.3
10.97
57.34
23.34
-45.2
14.04
18.75
21.7
20.01
18.77
7.45
10.9
24.59
16.5
16.81
17.23
9.42
19.09
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

6.  Given the following prices of used cars:
$10,600
$10,200
$38,000
$7,700
$5,800
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

7.
52 Week
High
52 Week
Low
Stock Dividend
In Dollars
Close
$178.14 $173.37 ALK $17.66 $176.55
$232.37 $73.07 NDB $11.96 $132.92
$255.33 $33.99 JLG $9.71 $121.39
$167.74 $100.48 LFY $9.85 $109.47
$91.04 $55.04 JUM $4.83 $80.51
$69.35 $35.53 GTL $0 $40.50
$42.02 $27.95 UPO $1.42 $28.49
$84.96 $52.57 COQ $6.04 $67.09
$145.32 $112.18 KSW $7.13 $142.64

  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:_________

8.  Given the following:
74.3, 68.5, 45.6, 44.1, 72.2, 82.6, 40.2, 64.2, 85, and 58.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

9.  Given the following:
58.66, 79.5, 56.67, 71.27, 67.28, 79.02, 76.44, 67.86, 75.2, 74.75, 74.78, 66.88, 61.34, 56.59, 87.37, 63.5, 87.23, 90.77, 79.05, and 88.79.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

10.  Given the following grades:
50, 95, 81, 95, 80, 80, 76, 87, 95, 95, 98, 77, 87, 98, 80, 95, 93, 87, 87, and 83.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

11.  Given the following:
94, 62, 123, 80, 46, 39, 100, 120, 64, 76, 85, 55, 104, 67, 49, 54, 63, 90, 103, and 130.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

12.  Given the following prices of used homes (in thousands):
146
102.1
115.1
104.2
107.8
111.1
69.9
168
176.8
101.2
125.8
104.9
102
139
135.5
104.9
103.5
69.9
119.6
106.5
59.3
58
52.9
64.1
69.2
108.5
61.1
103
68.4
101
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________