Name _____________________________
Date ___________________
Calculating the Range, Variance, and Standard Deviation
(Answer ID # 0114616)
Calculate the values to the nearest tenth.

1.  75, 28, 77, 74, 98, 44, 11, 75, and 89.
Write the range:  _________

2.  48, 90, 66, 39, 35, 48, 94, 40, and 74.
Write the range:  _________

3.  -20.7, -16.5, -25.3, -6.5, -25.3, -22.3, -36.9, -26.7, 37, and 27.9.
Write the range:  _________

4.  6.3, 28.5, -0.1, 30.4, -17.8, -22.6, 1.2, 30, 30.4, and 5.1.
Write the range:  _________

5.  Given the following prices of used homes (in thousands):
95.1
52.8
143.7
110.4
82.1
107.7
122.7
100.9
192.6
69.2
133.7
136.8
137
188.1
110.4
110.5
145.5
65.4
119.1
119.5
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

6.  Given the following:
136.65, 126.08, 208.95, 91.77, 97.33, 169.16, 91.68, 71.59, 110.34, and 117.64.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

7.
52 Week
High
52 Week
Low
Stock Dividend
In Dollars
Close
$296.18 $276.40 LFH $0 $294.23
$235.40 $184.06 PSO $0 $225.05
$76.36 $13.70 SBK $5.10 $51.03
$22.31 $3.96 ARF $0.36 $12.08
$236.21 $22.20 AKU $7.18 $143.65
$47.40 $42.18 YYV $2.70 $45
$199.06 $172.72 LNQ $15.99 $177.70
$92.21 $21.93 FBE $1.70 $85.02
$226.13 $196.93 AZU $2.20 $219.97
$233.15 $69.11 AMU $12.55 $179.35

  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:
138, 145, 40, 13, 17, 36, 21, 116, 159, 62, 162, 156, 31, 13, 110, 131, 166, 112, 49, and 58.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

9.  Given the following annual mutual fund returns:
14.88
-47.47
-46.06
-41.15
18.02
53.37
14.77
37.73
18.11
2.76
-44.21
14.99
10.98
-47.75
6.91
15.76
14.68
1.05
-46.06
18.59
1.28
14.6
-42.37
-49.29
-44.34
60.8
-45.19
13.65
69.93
17.79
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

10.  Given the following:
5.8, 7.3, 25.4, 29.6, -0.2, 27.4, 8, 17.5, 27.9, and 15.9.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

11.  Given the following grades:
95, 93, 70, 59, 59, 95, 87, 75, 53, 98, 79, 89, 97, 79, 79, 56, 58, 98, 76, and 99.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

12.  Given the following prices of used cars:
$37,900
$8,600
$7,100
$14,700
$32,800
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________