1. (a) Form an ungrouped frequency distribution of the following data. 1, 1, 0,
ID: 3151647 • Letter: 1
Question
1. (a) Form an ungrouped frequency distribution of the following data.
1, 1, 0, 2, 3, 2, 2, 3, 0, 2, 3, 3
Referring to the preceding distribution, answer the following questions.
(b) The value 3 occurred how many times?
(c) What is the sum of the frequency column?
(d) What does this sum represent?
most common value
maximum observed value
total sample size
size of the population
2. The U.S. Women's Olympic Soccer team had a great year in 2004. One way to describe the players on that team is by their individual heights.
(a) Construct an ungrouped frequency distribution and relative frequency distribution for the heights. (Enter relative frequency as a fraction or decimal to three places.)
(b) Select the correct frequency histogram of this distribution.
(c) What percentage of the team is at least 5 feet, 9 inches tall? (Round answer to one decimal place)
%
3.A survey of 100 resort club managers on their annual salaries resulted in the following frequency distribution.
(a) The data value "35" belongs to which class?
15-25
25-35
35-45
45-55
55-65
(b) What is the value of the class width
(c) Draw a frequency histogram of the annual salaries for resort club managers. (Select the correct graph.)
Explanation / Answer
1.
Ordering,
0
0
1
1
2
2
2
2
3
3
3
3
Hence, the table:
a)
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b)
From the table,
f(3) = 4 [ANSWER]
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c)
From the table,
Sum(f) = 2+2+4+4+0 = 12 [ANSWER]
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d)
This is the total number of participants in the experiment, so
OPTION C: total sample size [ANSWER]
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