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The director of admissions at Kinzua University in Nova Scotia estimated the distribution of student admissions for the fall semester on the basis of past experience.
Admissions Probability
1,070 0.3
1,300 0.1
1,580 0.6
--------------------------------------------------------------------------------
(1) What is the expected number of admissions for the fall semester? (Round your answers to the nearest whole number.)
Expected number of admissions __________
(2) Compute the variance and the standard deviation of the number of admissions. (Round your answers to 2 decimal places.)
Variance __________
Standard deviation _____________
In order to compare the mean charges for the three groups, the data will be subjected to an analysis of variance. Write the null hypothesis tested by the ANOVA.
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The personnel director of Cander Machine Products is investigating perfectionism on the job. A test designed to measure perfectionism was administered to a random sample of 18 employees.
Determine the values of mean M and standard deviation s for original sample?
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What additional strategies (up to 3) you would propose that may increase validity of the findings.
A check of dorm rooms on a large college campuses revealed that 38% had refrigerators, 52 percent had TVs and 21 percent had both a TV and a refrigerator. What's the probability that a randomly selected dorm room has.
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What is the best first glance prediction you can give the customer about the value of his house given your 2 variable linear regression analysis?
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