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Your score on a statistics tests is 63 and on your biology test you made a 23. The mean in statistics was 60 with a standard deviation of 7, and the mean in biology was 23 with a standard deviation of 3.9. In which subject did you do better? Use Z-scores to support your answer and show your work.
you draw two cards from a standard deck of 52 cards without replacing the first one before drawing the second. find the
what has requirements about the shape of population? the answer has 15 letters
What is the critical F value for a sample of four observations in the numerator and seven in the denominator?
the frequency distribution below shows the distribution for suspended solid concentrationin ppm in river water of 50
review the three non-parametric test videos in the calculations section of the statistics visual learner media
Would this be a T-value distribution? Can you take me through the steps to determine upper and lower limits of a 95% confidence interval?
Calculate trial control limits for the two charts and on the assumption that the R chart is in control, estimate the process standard deviation.
The population of lengths of aluminium coated steel sheets is normally distributed with a mean of 30.05 inches and a standard deviation of 0.20 inches. A sample of four metal sheets is randomly selected from a batch. What is the possibility that t..
What is the null hypothesis in a chi-squared test of independence? How many 'tails' can a chi-squared test have, one or two? In a regression analysis, what do the residuals from the fitted line add up to?
The President of the American Insurance Institute wants to compare the yearly costs of auto insurance offered by two leading companies.
in northern europe there are two species of flycatcher the collared flycatcher and the pied flycatcher that sometimes
a mail-order catalog firm designed a factorial experiment to test the effect of the size ofa magazine advertisement and
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