Given here are the weight measurements (in kg) of 20 children who took part in a nutritional survey.
27,28,24,27,27,32,34,33,30,25
23,30,36,36,25,27,30,30,28,28
For these scores present:
i) The frequency distribution and cumulative frequency distribution. (3)
ii) Frequency polygon
To create a frequency distribution and cumulative frequency distribution for the given weight measurements of 20 children, you can follow these steps:
Step 1: Organize the Data
First, you need to organize the data in ascending order:
23, 24, 25, 25, 27, 27, 27, 28, 28, 30,
30, 30, 32, 33, 34, 36, 36, 28, 27, 30
Step 2: Determine the Range
The range is the difference between the highest and lowest values in the data set. In this case, the range is 36 - 23 = 13.
Step 3: Choose the Number of Classes
You can choose the number of classes (intervals) for the frequency distribution. A common rule of thumb is to use between 5 and
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