Question

The density of people per square kilometer for African countries is in table #1. Create a...

The density of people per square kilometer for African countries is in table #1. Create a frequency distribution, relative frequency distribution, and cumulative frequency distribution using 8 classes. Table #1: Data of Density of People per Square Kilometer 15 16 81 3 62 367 42 123 8 9 337 12 29 70 39 83 26 51 79 6 157 105 42 45 72 72 37 4 36 134 12 3 630 563 72 29 3 13 176 341 415 187 65 194 75 16 41 18 69 49 103 65 143 2 18 31

Homework Answers

Answer #1

Solution:

The class width is calculated as:

The frequency distribution table is given below:

Class Interval Frequency
2-81 39
81-160 8
160-239 3
239-318 0
318-397 3
397-476 1
476-555 0
555-634 2

The relative frequency distribution table is:

Class Interval Relative Frequency
2-81 0.6964
81-160 0.1429
160-239 0.0536
239-318 0
318-397 0.0536
397-476 0.0179
476-555 0
555-634 0.0357

The cumulative frequency distribution table is:

Class Interval Cumulative Frequency
2-81 39
81-160 47
160-239 50
239-318 50
318-397 53
397-476 54
476-555 54
555-634 56
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