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What the values from the boundaries of the critical region for a two-tailed test using a sample size of n=9 scores and an alpha level of 0.05? a) t=+/- 1.8690 b) t=+/- 1.833 c) t=+/- 2.306 d) t=+/- 2.262
Describe a hypothesis upon which the manufacturer might wish to conduct a test concerning the relative effectiveness of the new fertilizer.
Explain the strength of relationship between the assets?
in a 2 x 3 x 3 analysis of variance the number of cells
Determine the standard error of estimate. Suppose a large sample is selected (instead of just five). About 68 percent of the predictions would be between what two values?
What is the probability the crew member earns: a. Between $20.50 and $24.00 per hour? b. More than $24.00 per hour? c. Less than $19.00 per hour?
A pinochle deck has 48 cards, two of each of six denominations (9, J, Q, K, 10, A) and the usual four suits. In a hand of 12 cards, what is the probability of getting a "bare" roundhouse, namely a king and queen of each suit and no other kings or ..
a doctor who wants to estimate the hdl cholesterol of all 20-29 year old females. how many subjects are needed to
A representative of the Environmental Protection Agency (EPA) wants to select samples from 10 landfills. The director has 15 landfills from which she can collect samples. How many different samples are possible?
Suppose we measured all the heights in centimeters, instead. There are 2.54 cm/inch? Question: What will happen to the covariance?
What two assumptions must be met when you are using the z test to test differences between two means? Can the sample standard deviations s1 and s2 be used in place of the population standard deviations σ1 and σ2?
The majority of the data is basically distributed if there are enough subjects. For instance, if you collected test scores of only a few honor students, the data will most likely not be normally distributed because you would have a sample that did..
a random sample of 49 statistics examinations was taken. the average score in the sample was 84 with a variance of
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