Z scores are used for standardized testing done by most school districts.
It is the most common way of standardizing data. IQ scores can be standardized using z scores. The mean is 100 and the standard deviation is 15.
You use the t score when the sample is small, <30 often. Many behavior ratings use t scores.
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well to calculate the width of a classroom you have to measure the width of each wall and then add up all of the measurements you found out and then that will be the width of the classroom. i hope this helps :) :) :) :) :)
In newspapers, tv etc.
discuss the different day to day uses of statistics
Help! I have no clue what profession uses empirical probability. Linda in Nevada
1/12 =0.08333... ≈ 8.3%