Name _____________________________
Date ___________________
Calculating the Range, Variance, and Standard Deviation
(Answer ID # 0203515)
Calculate the values to the nearest tenth.

1.  92, 49, 3, 49, 67, and 83.
Write the range:  _________

2.  59, 52, 77, 80, 29, 90, 62, 57, and 59.
Write the range:  _________

3.  14.8, 27.2, -7.4, -3.9, 14, -21.9, 14, 26.6, 11, and 37.6.
Write the range:  _________

4.  -2.4, 4.6, 2.7, 20.1, -21.3, -2.4, -22.8, 41.8, -24.7, and -14.
Write the range:  _________

5.  Given the following grades:
95, 64, 50, 50, 52, 50, 50, 56, 50, 50, 56, 68, 71, 74, 50, 50, 50, 99, 64, 50, 72, 63, 68, and 78.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

6.  Given the following:
53, 95, 120, 134, 142, 136, 115, 113, 89, 75, 146, 104, 92, 64, 140, 127, 56, 155, 50, and 153.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

7.  Given the following annual mutual fund returns:
5.05
5.44
6.87
23.12
19.03
12.64
22.33
14.53
8.6
17.26
22.91
18.43
7.68
5.33
52.2
3.16
70.22
13.14
16.05
22.38
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

8.
52 Week
High
52 Week
Low
Stock Dividend
In Dollars
Close
$289.12 $67.23 LDM $16.38 $273.04
$99.05 $16.86 QOV $2.85 $95.04
$51.76 $26.91 SXP $4.89 $48.91
$25.99 $9.98 WJN $1.23 $15.41
$105.63 $49.83 TIG $3.19 $53.14
$127.74 $48.58 LPH $4.95 $123.64
$45.23 $13.10 KWT $0.23 $23.33
$269.16 $181.49 FVE $15.10 $251.65
$160.33 $145.80 DNI $1.58 $158.31
$109.92 $25.80 FTN $4.84 $69.10
$151.41 $21.28 PXD $12.05 $120.50
$69.10 $43.04 EIG $1.28 $64.16
$232.61 $120.10 KXL $3.05 $152.38
$150.67 $86.86 POQ $2.59 $129.38

  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:_________

9.  Given the following prices of used cars:
$9,600
$5,900
$5,100
$9,400
$8,000
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

10.  Given the following:
118.06, 72.58, 64.79, 96.25, 117.67, 49.88, 84.93, 97.32, 134.45, and 65.4.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

11.  Given the following:
102.1, 86.8, 68.7, 109.6, 56.4, 89.3, 81, 108.6, 109, 58.5, 73.5, 55, 53.8, 101.2, 89, 69.1, 86.2, 60.4, 86.9, and 99.4.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

12.  Given the following prices of used homes (in thousands):
191.1
182.3
115.9
102.9
182.2
85.8
108.7
196.3
73.3
110.3
60.2
101.2
60.9
116.7
120.3
82.4
196.3
192.9
101
90.9
173.1
116.5
101.6
162.7
93.2
101.1
199.7
89
119
72.4
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________