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Mikos
Questions (7)
n two separate studies, the actual difference between the means of a treated group and an untreated group is 3 points. However,
1 answer
631 views
2. Betty, an employee of Shining Sun Daycare Center, read an article in Healthy Child Magazine saying that the average
0 answers
734 views
Assume that a test is given to a large number of people but we do not yet know their scores or the shape of the score
1 answer
606 views
Assume that a test is given to a large number of people but we do not yet know their scores or the shape of the score
1 answer
843 views
SAT scores are normally distributed with a mean of 500 and a standard deviation of 100. Using the formula for σM, what will
0 answers
844 views
You draw nine cards from a standard deck of cards. What is the probability that
a. four or more will be red, b. exactly two or
1 answer
513 views
You draw nine cards from a standard deck of cards. What is the probability that
a. four or more will be red, b. exactly two or
2 answers
534 views
Answers (1)
Assume that a test is given to a large number of people but we do not yet know their scores or the shape of the score distribution. Can we be sure that the sampling distribution of the mean for this test will be normally distributed? Why or why not? Answer
