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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
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 4BGP
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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 .. 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 88 943.blogspot.com
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 88 943.blogspot.com
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