Name _____________________________
Date ___________________
Calculating the Range, Variance, and Standard Deviation
(Answer ID # 0264990)
Calculate the values to the nearest tenth.

1.  72, 33, 72, 9, 85, 17, and 87.
Write the range:  _________

2.  90, 15, 10, 37, 37, 73, 99, 12, and 87.
Write the range:  _________

3.  13.2, -41.3, -6, 46.2, -15.1, 5, -30.6, -13.3, -13.3, and -16.8.
Write the range:  _________

4.  30.9, -14.1, -21.3, -6.2, -14.1, 15.5, -28.4, -3, -5.2, and 1.4.
Write the range:  _________

5.
52 Week
High
52 Week
Low
Stock Dividend
In Dollars
Close
$240.51 $51.06 ZCH $3.64 $121.48
$171.40 $97.86 UCO $13.40 $148.90
$140.57 $111.16 EXK $0 $112.03
$217.39 $63.77 VCY $5.13 $128.25
$120.60 $109.67 REE $11.74 $117.36
$199.49 $52.36 UTB $12.21 $174.43
$211.01 $92.36 ZAO $10.81 $120.08
$278.11 $238.64 SHJ $4.89 $244.38
$250.25 $19.99 VNW $0 $144.19
$11.25 $4.17 ZCV $0.10 $10.43
$73.70 $44.43 YYT $1.62 $53.86
$182.74 $174.21 EPS $8.91 $178.13
$275.18 $250.22 FHD $0 $262.70

  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:
75.03, 164.8, 104.16, 131.77, 157.12, 62.89, 80.15, 50.8, 101.71, 134.7, 130.64, 69.62, 121.96, 189.92, 146.01, 179.99, 21.11, 112, 22.59, and 40.63.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

7.  Given the following grades:
88, 89, 98, 89, 94, 63, 89, 89, 69, 63, 89, 89, 63, 94, 55, 63, 94, 94, 94, and 98.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

8.  Given the following:
145, 147, 104, 191, 137, 33, 114, 139, 89, 174, 93, 93, 171, 198, 130, 45, 106, 60, 68, and 89.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

9.  Given the following:
104.5, 54.4, 124.7, 71, 134.7, 218.6, 188, 122.5, 147.4, 102.4, 185, 211.4, 184.1, 224.2, 178, 127.1, 169.3, 191.8, 105.5, and 90.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

10.  Given the following prices of used homes (in thousands):
107.2
81.2
196.9
62.3
100.1
92.1
161.1
108.2
184.4
65
107.7
115
115.5
104.2
195.1
172.3
107.3
119.5
125.9
54.8
103.8
109.2
137.4
111.3
170.4
100.2
152.3
108.6
109.9
110.3
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

11.  Given the following prices of used cars:
$7,900
$10,500
$11,500
$30,700
$38,100
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________

12.  Given the following annual mutual fund returns:
-43.14
19.4
-43.05
23.5
52.99
-40.69
9.63
39.8
5.48
2.75
-41.04
-41.48
-44.25
58.72
4.32
-41.19
19.14
-45.98
7.43
-43.88
.
Write the range:_________ Write the variance:_________ Write the standard deviation:_________