Direction: Find the median of each grouped data. I. Consider the test result in statistics of 50 students given in the table. Class interval f CF< 41 - 47 48-54 55-61 62-68 69-75 76-82 83-89 6 5 6 10 6 8 9 n= 291002 privollot ert Jop sinebut gniw
Direction: Find the median of each grouped data. I. Consider the test result in statistics of 50 students given in the table. Class interval f CF< 41 - 47 48-54 55-61 62-68 69-75 76-82 83-89 6 5 6 10 6 8 9 n= 291002 privollot ert Jop sinebut gniw
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:## Median of Grouped Data
### Directions:
Find the median of each grouped data set.
### I. Consider the test results in statistics of 50 students given in the table below:
| Class Interval | Frequency (f) | Cumulative Frequency (CF<) |
|----------------|---------------|----------------------------|
| 41 – 47 | 6 | |
| 48 – 54 | 5 | |
| 55 – 61 | 6 | |
| 62 – 68 | 10 | |
| 69 – 75 | 6 | |
| 76 – 82 | 8 | |
| 83 – 89 | 9 | |
Total number of students (n) =
### II. Consider the sixty-day sales at ABC Alpha Shoppe:
| Class Interval | Frequency (f) | Cumulative Frequency (CF<) |
|----------------|---------------|----------------------------|
| 64 – 70 | 5 | |
| 57 – 63 | 8 | |
| 50 – 56 | 12 | |
| 43 – 49 | 6 | |
| 36 – 42 | 14 | |
| 29 – 35 | 5 | |
| 22 – 28 | 5 | |
| 15 – 21 | 5 | |
Total number of days (n) =
### III. Result of an IQ test of a group of students:
| Class Interval | Frequency (f) | Cumulative Frequency (CF<) |
|----------------|---------------|----------------------------|
| 80 – 85 | 2 | |
| 86 – 91 | 8 | |
| 92 – 97 | 19 | |
| 98 – 103 | 21 | |
| 104 – 109 | 25 | |
| 110 – 115 | 52 | |
| 116 – 121 | 12 | |
| 122 – 127 | 11 | |
Total number of students (n) =
### Explanation:
Each table includes class intervals, frequencies
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