Your answer will be C. There is a whole in the negative side of the graph
300 is the answer to the question
The value of the number 4 is 40,000
what do pre and post test studies look at?data collected on the same sample elements before and after some experiment is performedwhen are the t procedures exactly correct?when the pop is exactly Normal (rare)the t procedures are robust to small deviations from Normality, butthe sample must be a random sample from the pop
