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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,
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2. Betty, an employee of Shining Sun Daycare Center, read an article in Healthy Child Magazine saying that the average
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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
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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
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SAT scores are normally distributed with a mean of 500 and a standard deviation of 100. Using the formula for σM, what will
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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
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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
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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
