The table below has a total of 47 values. Find the 9th decile for the following Grouped Frequency Data Table (GFDT). Lower Class Limit Upper Class Limit Frequency 30 34 4 35 39 6 40 44 2 45 49 9 50 54 7 55 59 4 60 64 3 65 69 9 70 74 3
The table below has a total of 47 values. Find the 9th decile for the following Grouped Frequency Data Table (GFDT). Lower Class Limit Upper Class Limit Frequency 30 34 4 35 39 6 40 44 2 45 49 9 50 54 7 55 59 4 60 64 3 65 69 9 70 74 3
A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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The table below has a total of 47 values. Find the 9th decile for the following Grouped Frequency Data Table (GFDT).
Lower Class Limit | Upper Class Limit | Frequency |
30 | 34 | 4 |
35 | 39 | 6 |
40 | 44 | 2 |
45 | 49 | 9 |
50 | 54 | 7 |
55 | 59 | 4 |
60 | 64 | 3 |
65 | 69 | 9 |
70 | 74 | 3 |
The 9th decile =
Expert Solution
Step 1
The percentiles which is multiple of 10 is called decile. So 9th decile mean 90 percentile and it will be the point below which 90% of the data lie. To find this point first find the total frequency and then find the 90% of the total frequency.
Find the cumulative frequency by adding the frequencies.
Group | Cumulative frequency. |
30-34 | 4 |
35-39 | 10 |
40-44 | 12 |
45-49 | 21 |
50-54 | 28 |
55-59 | 32 |
60-64 | 35 |
65-69 | 44 |
70-74 | 47 |
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