10.1 10.0ri.i Example 2.3 Given below are the mean aal death rates per 1,000 at ages 20-65 in each of 88 occupational groups. Construct a grouped fregency distribution 7.5 82 6.2 5.4 9.4 9.9 10.9 10.8 7.4 9.7 11.6 12.6 10.2 9.2 12.0 9.9 7.3 7.3 8.4 12 10.3 10.1 6.5 12.5 7.8 6.5 8.7 9.3 12.4 hitps:#star9943 10.4 9.1 9.3 6.2 10.3 6.6 7.4 8.6 7.7 9.4 23 7.7 12.8 8.7 5.5 8.6 9.6 11.9 10.4 7.8 7.6 12.1 4.6 14.0 8.1 11.4 10.6 11.6 10.4 8.1 4.6 6.6 12.8- 12 6.8 7.1 6.6 8.8 8.8 10.7 10.8 6.0 7.9 7.3 9.3 9.3 8.9 10.1 3.9 6.0 6.9 9.0 8.8 9.4 11.4 10.9 (B.I.S.E. Lahore, 1971) A scan of the data shows that the largest value is 14.0 and the smallest value is 3.9 so that the range 140-3.9 = 10.1. As the data are recorded to one decimal place, we may therefore locate the lower limit of the first group at 3.5. Let us choose a class interval of 1.0. Then the class limits are specified as 3.5 4.4,
10.1 10.0ri.i Example 2.3 Given below are the mean aal death rates per 1,000 at ages 20-65 in each of 88 occupational groups. Construct a grouped fregency distribution 7.5 82 6.2 5.4 9.4 9.9 10.9 10.8 7.4 9.7 11.6 12.6 10.2 9.2 12.0 9.9 7.3 7.3 8.4 12 10.3 10.1 6.5 12.5 7.8 6.5 8.7 9.3 12.4 hitps:#star9943 10.4 9.1 9.3 6.2 10.3 6.6 7.4 8.6 7.7 9.4 23 7.7 12.8 8.7 5.5 8.6 9.6 11.9 10.4 7.8 7.6 12.1 4.6 14.0 8.1 11.4 10.6 11.6 10.4 8.1 4.6 6.6 12.8- 12 6.8 7.1 6.6 8.8 8.8 10.7 10.8 6.0 7.9 7.3 9.3 9.3 8.9 10.1 3.9 6.0 6.9 9.0 8.8 9.4 11.4 10.9 (B.I.S.E. Lahore, 1971) A scan of the data shows that the largest value is 14.0 and the smallest value is 3.9 so that the range 140-3.9 = 10.1. As the data are recorded to one decimal place, we may therefore locate the lower limit of the first group at 3.5. Let us choose a class interval of 1.0. Then the class limits are specified as 3.5 4.4,
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
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Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 4BGP
Related questions
Question
find Quartiles (q1, q2 and q3) from the given example. Please solve correct and quickly.
![Example 2.3 Given below are the mean aunal death rates per 1,000 at ages 20-65 in each of 88
occupational groups. Construct a grouped
7.5
82
6.2
9.9
10.9
10.8
7.4
4
9.7
11.6
12.6
10.2
9.9
7.3
7.3
8.4
12
10.3
10.1
6.5
12.5
7.8
6.5
8.7
9.3
12.4
18
hitps:#star9.3.
10.4
9.1
9.3
6.2
10.3
6.6
7.4
8.6
7.7
9.4
23
7.7
12.8
8.7
5.5
8.6
9.6
11.9
10.4
7.8
7.6
12.1
4.6
14.0
8.1
11.4
10.6
11.6
10.4
8.1
4.6
6.6
12.8-
6.8
71
6.6
8.8
8.8
10.7
10.8
6.0
7.9
7.3
9.3
9.3
8.9
10.1
3.9
6.0
6.9
9.0
8.8
9.4
11.4
10.9
(B.I.S.E. Lahore, 1971)
A scan of the data shows that the largest value is 14.0 and the smallest value is 3.9 so that the range
140-3.9 = 10.1.
As the data are recorded to one decimal place, we may therefore locate the lower limit of the first
group at 3.5. Let us choose a class interval of 1.0. Then the class limits are specified as 3.5 - 4.4,
... amai.puT
ie ..
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24
INTRODUCTION TO STATISTICAL THEORY
4.5-5.4, 5.5- 6.4, ... With this choice, the class-boundaries are 3.45 - 4.45, 4.45 - 5.45, 5.45-6.45, .,
which do not coincide with the given values.
The following table shows the required frequency distribution:
FREQUENCY DISTRIBUTION OF MEAN DEATH RATES
Death Rates
Class-boundaries
Tally
Frequency
3.5-4.4
3.45-4.45
1
4.5 - 5.4
4.45 - 5.45
4.
5.5 - 6.4
5.45 - 6.45
6.5 - 7.4
NA THA II
6.45 - 7.45
13
7.5 - 8.4
7.45-8.45
12
8.5-9.4
8.45-9.45
19
9.5 – 10.4
9.45 - 10.45
13
10.5-11.4
10.45 - 11.45
10
11.5 - 12.4
11.45 12.45
6.
12.5 - 13.4
12.45-13.45
4.
13.5- 14.4
13.45- 14.45
1
Total
88
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Transcribed Image Text:Example 2.3 Given below are the mean aunal death rates per 1,000 at ages 20-65 in each of 88
occupational groups. Construct a grouped
7.5
82
6.2
9.9
10.9
10.8
7.4
4
9.7
11.6
12.6
10.2
9.9
7.3
7.3
8.4
12
10.3
10.1
6.5
12.5
7.8
6.5
8.7
9.3
12.4
18
hitps:#star9.3.
10.4
9.1
9.3
6.2
10.3
6.6
7.4
8.6
7.7
9.4
23
7.7
12.8
8.7
5.5
8.6
9.6
11.9
10.4
7.8
7.6
12.1
4.6
14.0
8.1
11.4
10.6
11.6
10.4
8.1
4.6
6.6
12.8-
6.8
71
6.6
8.8
8.8
10.7
10.8
6.0
7.9
7.3
9.3
9.3
8.9
10.1
3.9
6.0
6.9
9.0
8.8
9.4
11.4
10.9
(B.I.S.E. Lahore, 1971)
A scan of the data shows that the largest value is 14.0 and the smallest value is 3.9 so that the range
140-3.9 = 10.1.
As the data are recorded to one decimal place, we may therefore locate the lower limit of the first
group at 3.5. Let us choose a class interval of 1.0. Then the class limits are specified as 3.5 - 4.4,
... amai.puT
ie ..
https://stat9943.blogspot.com
24
INTRODUCTION TO STATISTICAL THEORY
4.5-5.4, 5.5- 6.4, ... With this choice, the class-boundaries are 3.45 - 4.45, 4.45 - 5.45, 5.45-6.45, .,
which do not coincide with the given values.
The following table shows the required frequency distribution:
FREQUENCY DISTRIBUTION OF MEAN DEATH RATES
Death Rates
Class-boundaries
Tally
Frequency
3.5-4.4
3.45-4.45
1
4.5 - 5.4
4.45 - 5.45
4.
5.5 - 6.4
5.45 - 6.45
6.5 - 7.4
NA THA II
6.45 - 7.45
13
7.5 - 8.4
7.45-8.45
12
8.5-9.4
8.45-9.45
19
9.5 – 10.4
9.45 - 10.45
13
10.5-11.4
10.45 - 11.45
10
11.5 - 12.4
11.45 12.45
6.
12.5 - 13.4
12.45-13.45
4.
13.5- 14.4
13.45- 14.45
1
Total
88
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