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1. Discuss the advantages and disadvantages of using a successive independent samples survey design versus a longitudinal design to measure changes in people's attitudes over time.
2. Suppose that you wanted to obtain a simple random sample of kindergarten children in your state. How might you do it?
What is the probability of getting a number less than 5 on both?
you want to know if redesign of the new whole foods has significantly increased sales. you sample 25 customers who shop
He measures the heights of 25 men from this century and finds the mean and standard deviation for his sample.
Write a sentence showing how the outcome of the hypothesis test and the measure of effect size would appear in a research report.
We randomly select two shirts, one after the other, from a carton containing twelve shirts, three of which have blemishes. Find the probability that both of them will have blemishes
I never understood the concept of the Empirical Rule and Chebyshev's Rule. Can you explain it to me and provide me with some sample problems please?
below are monthly rents paid by a sample of students. rent 705 715 730 720 690 300 1550
The probability Mary will receive an A in a class is 0.70. Assuming independence, if she is taking 5 classes this semester, calculate the probability she will receive exactly 3 A's.
a survey revealed that men spend an average of 11.4 min in the shower with standard deviation of 1.8 min. assume a
Compute the p-value associated with the above sample results, and explain what conclusion can be drawn bases on the p-value?
we reproducing precision ball bearings. it is important that the diameters be as close as possible to an industry
Data were collected from 60 students who took both college entrance exams. The mean SAT score was with a standard deviation of. The mean ACT score was with a standard deviation of. The linear correlation coefficient between the two scores equals r..
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