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The following data represents the mean August temperature ( Fahrenheit) in 20 us cities: 64, 64, 68, 69, 70, 71, 71, 72, 74, 75,76,76,76, 77, 81, 82, 82, 83, 85, 92 .
a) construct a split-stem polt.
b) What percentage of the 20 cities have a mean August temperature in the 80's?
Standard deviations differ, and speculate on the possible meaning of these differences, presuming that they are representative of U.S. governors and large corporations' CEOs in general.
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Explain the overall statistical significance of the model, Explain the statistical significance for each independent variable in the model
What is the probability a random sample of 90 test takers will provide a sample mean test score within 10 points of the population mean of 502 on the Critical Reading part of the test (to 4 decimals)?
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Explain briefly how simple data analysis methods you are to use in this project can be used in your chosen engineering discipline and for what purpose.
Compute the following .r = correlation between x and y = - 0.7 = mean of the values of x = 50.25 = mean of the values of y = 31.77 = standard deviation of the values of x = 15.85 = standard deviation of the values of y = 1.76 The slope of the leas..
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question consider an investment portfolio of 50000 in stock a and 50000 in stock b. the expected value of a is 9.5
A student population consists of 55% females and 45% males. A researcher recorded the gender of each student emerging from a theater and found a total of 385 females and 215 males.
What is the probability that a simple random sample of automobile insurance policies will have a sample mean within $25 of the population mean the for each of the following sample sizes: 30, 50, 100, 400?
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