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Summarize in words each of the following findings:
1. Group A = 52, Group B = 63, t = 4.33, p < .02.
2. Group A's mean SAT score was 558; Group B's was 457; Group C's was 688; F = 4.77, p < .001.
3. The Tukey test was significant at .01 for two groups (A and E).
Determine the critical region and critical values for z that would be used to test the null hypothesis at the given level of significance, as described in each of the following:
Fair die is rolled 10 times. Determine the probability that the odd number (1, 3 or 5) will occur less than 4 times?
In a group of seven adult friends, what is the probability that: a) no one has done a one-time fling?
Consumer Reports published an article on some sport-utility vehicles they had tested recently. They reported some basic information about each of the vehicles and the results of some tests conducted by their staff.
The paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for the test.
In a certain city, 50 percent of the people consider themselves conservative (C), 25 percent consider themselves liberal (L), and 25 percent consider themselves to be independent (I).
Can we conclude that mean time for game is less than 3.50 hours? Use.05 significance level.
Determine percentage of boys in this age range have carbohydrate intake above 140g/1000cal and carbohydrate intake below 90g/1000cal?
Suppose you went to the Bureau of Labor Statistics web site and found several predictors of your salary. State three possible predictors and a simulated multilinear regression equation along with their p-values. What does your p-values tell you ab..
Using the Binomial Distribution, find the probability that if Air Northeast books 22 people on a flight, not enough seats will be available for all booked passengers.
Should Katie conduct a between-subject ANOVA or a within-subject ANOVA? Describe your answer.
A presidential candidate's aide estimates that, among all college students, the proportion p who intend to vote in the upcoming election is at least 70%.
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