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.
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A nurse practitioner working in a dermatology clinic is studying the efficacy of tretinoin in treating women's post partum abdominal stretch marks. From a sample of 15 women, the mean reduction of stretch mark score is -0.33 with a sample standard deviation of 2.46. Describe wha
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