Inference about means - Getting started

4 important questions on Inference about means - Getting started

What do you have to do with quantative data?

Summarize with sans and standard deviations. Think about sampling distributions.

When is the CLT close tho the normal?

The larger the sample used, the more closely the Normal approximates the sampling distribution for the mean. 

What do we need to model the sampling distribution of xTeNI2tqurtdV3PjSY2juPHOk7z7MIZBcaYLwcgx?

A random sample of quantitative data.
A true population standard deviation, 
+QDmd9+o4rVjn0AAAAASUVORK5CYII=.
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Why are we speaking of a standard error in CLT?

Because we estimate the standard deviation of the sampling distribution model from the data.

The question on the page originate from the summary of the following study material:

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