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Question:1. The following data are prices in dollars for a group of shirts.
11 13 25 13 21 12 11 14
14 13 16 21 11 12 17 17
Compute the following:
(a) Mean (round to the nearest whole number) (b) Median
(c) Mode(s) (d) Range
(e) AD
(f) and s
(g) CS: Are the data skewed to the right, to the left, or neither? (h) CV
(i) Dot plot
(j) Stem and leaf plot.
(k) Five Number Summary
(l) IQR and Quartile Skewness (m) Box plot
(n) How many standard deviations below the mean would an $8 shirt be?
(o) A shirt is 2.75 standard deviations above the mean in price. How much does this shirt cost? (p) Is a $28 shirt a possible outlier, a probably outlier, or neither? Compute the fences to O¨nd out.
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The heights (in inches) for a sample of male adults are62, 82, 79, 76, 73, 70, 67, 64, 61, 80, 79, 75, 72, 69, 71, 71, 71, 74, 74, 74 Draw the histogram for these data using an initial class boundary of , an ending class boundary of , and classe..
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The producer of a TV special expected about 40 percent of the viewing audience to watch a rerun of a 1965 Beatles Concert. A sample of 200 homes revealed 60 to be watching the concert.
Explain the logic of what you have done, writing as if you are speaking to someone who has never heard of correlation (but who does understand the mean, deviation scores, and hypothesis testing);
Office Visits what is the age distribution of patients who make office visits to a doctor or nurse?
It is believed that the effects of smoking differ depending on race. The following table gives the results of a statistical study for this question.
The mean weight of the adult Australian animal Swamp Wallaby the previous year was 15.4kg with a standard deviation of 2.5kg. This year a sample of 35 Swamp Wal
Determine whether the difference in proportions is significant at the 0.05 level.
Examine the data below showing the weights (in pounds) of randomly selected checked bags for an airline's flights on the same day. (a) At α = .05, is the mean weight of an (a) At α = .05, is the mean weight of an international bag greater? Show the h..
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