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1. Explain what happens is a negative relationship between two variables.
2. Explain what happens in positive relationship between two variables
3. In terms of measures of association, how is Lambda different from the other measures used for nominal level data?
4. How are measures of association that are ordinal level different from those that are nominal level?
5. According to the lecture notes, how many measures of association are appropriate for ordinal level data? What ones are used?
6. When would you choose not to conduct a measure of association?
The mean of a normal probability distribution is 60; the standard deviation is 5.
One approach would be to contact every psychology graduate student you know and ask them to fill out a questionnaire about it.
A random sample of eight cars from each manufacturer is selected, and eight drivers are selected to drive each automobile for a specified distance.
Sample data are reported for 50 employees of small companies, 75 employees of medium companies, and 100 employees of large companies.
Assume you want to repeat the FDA experiment to achieve an estimation of the mean μ of the amount of caffeine content of a cup of coffee.
Does the normal distribution yield a good approximation of the actual results?
A processor of carrots cuts green top off each carrot, washes the carrots, and inserts six to a package. Twenty packages are inserted in a box for shipment. To test weight of the boxes, a few were checked.
Use a 5% significance level to test the claim that there appears to be a difference in the effectiveness of the two diets.
what is the probability of obtaining at least 6 cases in this class if the nationwide rate holds True?
A standard for full credibility of 1,000 claims has been selected so that the actual pure premium will be within 10% of the expected pure premium 95% of the time. The number of claims has the Poisson distribution. Determine the coeffcient of vari..
Would the method described above be a good way to determine which team was taller (explain why or why not)?
Revenue and cost functions for producing and selling quantity x for certain production facility are given below. Find out profit function P(x).
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