# Buy Measures of Variability Essay Assignment

Buy Measures of Variability Essay Assignment
Buy Measures of Variability Essay Assignment
1. Find the range of the following data:
15, 33, 30, 50, 0
(A) 15
(B) 20
(C) 17
(D) 50

2. Find the range of the following data:
−4, 25, −4, 11, 19, 4
(A) 8
(B) 15
(C) 21
(D) 29

3. Find the range of the following data:
−15, −15, −33, −17, −30, −30, −20, −60, −45, −15
(A) −75
(B) −45
(C) 45
(D) 75
267 ❯ McGraw-Hill’s 500 Statistics Questions

4. Find the range of the data associated with the line graph shown.
January
February
March
April
May
June
20
0
40
60
80
100
120
140
160
Thousands of dollars
Semi-Annual Monthly Revenue Sales
(A) \$20,000
(B) \$40,000
(C) \$60,000
(D) \$80,000
Buy Measures of Variability Essay Assignment
5. Find the range of the data associated with the stem-and-leaf plot shown.
Starting Weights in Pounds of 36 Female Students
Participating in a Weight-Loss Program
Stem Leaves
12 3 8 8 9
13 2 3 3 4 4 8 9
14 0 2 2 4 5 5 5 6 8 8 9
15 0 1 3 3 5 6 7 8 9 9
16 1 2 2 9
Legend: 12|3 = 123
(A) 7
(B) 9
(C) 40
(D) 46
Measures of Variability ❮ 27

6. Find the range of the data associated with the dot plot shown.
5 10 15 20
Minutes
Number of Minutes 16 Customers
Waited in Line
(A) 14
(B) 15
(C) 19
(D) 20

7. Both the variance and standard deviation are intended to provide a measure of the variability of a set of data values about which of the following?
(A) mean
(B) median
(C) mode
(D) range
Buy Measures of Variability Essay Assignment
8. Which of the following symbols commonly is used for the population
variance?
(A) s
(B) s2
(C) s
(D) s 2

9. Which of the following symbols commonly is used for the sample
variance?
(A) s
(B) s2
(C) s
(D) s 2

10. Which of the following symbols commonly is used for the population
standard deviation?
(A) s
(B) s2
(C) s
(D) s 2
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