http://www.aaa3.net/1-5-rating-scale-sample/
I need help with this math question please!?
How I can make this problem I am so confused,,,, each client has reviewed their overall satisfaction with the service provided by your company on a scale of 1 to 10. The average level of satisfaction of the sample is 6.3, and standard deviation is 1.5 What is the standard error of the mean if the sample included 100 clients? What is the standard error of the mean if the sample was 400 clients? Explain the relationship between their answers a) b) What is the distribution of the sample mean? Why?
Read the lesson, is purely NLL: The law of large numbers (LLN) is a theorem of probability which describes the long-term stability of the mean of a random variable. Given a random variable with a finite expected value, if their values are several times in the sample, as the number of such additional observations, the mean tends to come and be near the expected value.
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