Frequency Distributions
Define the term Frequency Distributions?
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A frequently distribution ( frequency table ) records the number of times each value occurs (frequency).
Grouped Frequency:
The size of each class should be appropriateThe upper and lower limit should be suitable
Cumulative:
To show the total number of items that a value above or below a certain amount occurs.
Explain sampling bias and describe how random sampling serves to avoid bias in the process of data collection.
The table below illustrates the relationship between two variable X and Y. A
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