Mean of the test scores
A test score of 84 was transformed into a standard score of -1.5. If the standard deviation of test scores was 4, what is the mean of the test scores?
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What if any assumptions are needed before the t inferential procedure can be used to compare true average elapsed times? Carry out a test of hypotheses to decide whether the true avg difference in elapsed times differs from zero.
What was the initial negative charge on one of the spheres, and what was the initial positive charge on the other?
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Suppose that 64% of the students in Elizabethtown College are female. If 30 etown students are selected at random, what is the probability that fewer than 10 are male?
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A study found a strong positive correlation between ice cream consumption and the number of violent crimes committed each month. Some people may take this as an indication of how refined sugars make people violent. This is an example of:
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