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
Answer:
5% of his coins is 7
Step-by-step explanation:
140 X 0.05 = 7
Answer:
D) -5x
Step-by-step explanation:
-5x is a like term to 8x because the alphabet at the back of the coefficient is x and are the same. Therefore the answer is option D
