Name _____________________________
Date ___________________
Calculating the Range, Variance, and Standard Deviation
(Answer ID # 0594748)
Calculate the values to the nearest tenth.

1.  8, 94, 6, 88, and 6.
Write the range:  _________

2.  39, 62, 73, 100, 85, 27, 50, and 100.
Write the range:  _________

3.  14.6, 14.5, -26.4, 0.6, 6.3, 7.4, 35, -37.2, 5, and 0.6.
Write the range:  _________

4.  3, -4, 30.9, -10.8, 42.5, -32.2, -16.8, -26.3, 12.3, and -32.2.
Write the range:  _________

5.  Given the following:
149, 111, 125, 147, 103, 87, 152, 125, 112, and 110.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

6.
52 Week
High
52 Week
Low
Stock Dividend
In Dollars
Close
$9.10 $6.32 PYD $0.69 $7.65
$98.90 $88.68 WQG $1.88 $94.20
$178.95 $131.32 DSZ $13.70 $136.97
$287.67 $261.93 GVG $2.72 $271.65
$19.65 $18.06 KXU $0 $18.80
$19.49 $12.35 GZP $0.15 $15.27
$78.60 $1.02 BSO $0 $59.21
$170.74 $159.69 PDW $3.35 $167.66
$274.35 $115.62 GHP $12.48 $138.67
$298 $222.95 CME $21.36 $237.29
$166.14 $162.50 YJR $14.93 $165.91
$53.25 $22.67 VFZ $2.36 $26.24
$282.59 $256.93 ETR $0 $278.09
$19.28 $10.56 HUI $1.21 $17.23

  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:_________

7.  Given the following grades:
70, 70, 80, 81, 70, 97, 70, 97, 97, 52, 64, 99, 72, 93, 92, 52, 97, 97, 95, 52, 71, and 87.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

8.  Given the following annual mutual fund returns:
14.07
15.61
18.39
28.72
14.36
2.18
11.13
-41.45
10.37
40.74
16.34
48.14
28.18
63.87
1.34
27.25
56.93
-44.22
9.75
6.49
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

9.  Given the following:
95.4, 126, 32.1, 79.1, 39.8, 69.8, 24, 118.2, 73.5, 18.5, 130.6, 123.1, 11.5, 40.4, 50.3, 24.6, 90.6, 130, 135.2, and 63.1.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

10.  Given the following prices of used homes (in thousands):
117.2
57.1
113.2
192.8
51.5
142.1
110.3
101.2
116.9
110.6
110
118.4
127.5
126.4
112.4
50.1
91.4
140
177.3
162.5
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

11.  Given the following:
17.23, 14.36, 72.59, 30.18, 94.22, 116.36, 110.53, 32.59, 30.29, 10.39, 15.91, 66.13, 53.62, 88.53, 59.22, 112.89, 60.95, 111.05, 100.53, and 116.25.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

12.  Given the following prices of used cars:
$13,600
$11,800
$8,700
$13,600
$12,900
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________