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The mean sale per customer for 40 customers at a gas station is $43.26, with a standard deviation of $ 8.33. Use Chebyshev's theorem, write statement about customers spent at the gas station. Use two standard deviations. Show work and write the conclusion in sentence.
a two-stage clinical trial is planned for for testing h0 p0.10 versus ha pgt0.10 where p is the proportion of
a company has observed that there is a linear relationship between indirect labor expense ile in dollars and direct
Explain which interpretation of probability (relative frequency or personal) applies to each of these statements and how you think the probability.
Identify the following as qualitative or qualitative variables. If quantitative, classify the level of measurement (nominal, ordinal, interval, or ratio) requir
The mean salary offered to students who are graduating from Coastal State University this year is $24,275, with a standard deviation of $3643.
below are data showing the results of six subjects on a memory test. the three scores per subject are their scores on
Draw the suitable distribution, and locate critical regions for α = .05. Compute test statistics (z score) for the sample.
b. Obtain the estimated ridge standardized regression coefficients, variance inflation factors, and R2 for the following biasing constants: c = .000, .002, .004, .006, .008, .02, .04, .06, .08, .10.
-Describe the factor(s) that you think contribute to why the variables would have the relationship that you estimate it to be.
Consider a sample with data values of 10,20,12,17, and 16.... Compute the mean and median and explain how you get to the answer....
Is this a test of homogeneity or independence? Write an appropriate hypothesis. Are the conditions for inference satisfied
You think this will change in the next presidential election. Which is the alternative hypothesis?
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