week 2 DQ5

Statistics
Tutor: None Selected Time limit: 1 Day

Why it is important to find the shape of data distribution before computing descriptive statistics? Do all variables follow normal distribution? Explain why or why not. Explain with examples.

Jun 16th, 2015

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distributions are useful in finding the skewness of data set. if a data has a positive skew it will have a tail moving from left to right. a negative skew will have a tail that extends from right to left

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Jun 16th, 2015

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