12. Caffeine in Soft Drinks Listed below are measured amounts of caffeine (mg per 12 oz ofdrink) obtained in one can from each of 20 brands (7-UP, A&W Root Beer, Cherry Coke,.Tab). Are the statistics representative of the population of all cans of the same 20 brands consumedby Americans?0 0 34 34 34 45 41 51 55 36 47 41 0 0 53 54 38 0 41 4713. Firefighter Fatalities Listed below are the numbers of heroic firefighters who lost theirlives in the United States each year while fighting forest fires. The numbers are listed in orderby year, starting with the year 2000. What important feature of the data is not revealed by anyof the measures of variation?20 18 23 30 20 12 24 9 25 15 8 11 15 3414. Foot Lengths Listed below are foot lengths in inches of randomly selected Army womenmeasured in the 1988 Anthropometric Survey (ANSUR). Are the statistics representative of thecurrent population of all Army women?10.4 9.3 9.1 9.3 10.0 9.4 8.6 9.8 9.9 9.1 9.1

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A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Descriptive Statistics.For the given data:4 8 18 20 21 22 23 24 25 26 27 28 29 30 30 31 31 32 32 33 33 34 35 36 37 38 39 47 53 a. Make a Frequency Diagram with 7 classes.b. Draw the histogram.
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Are the average number of times a month an adult eats out the same for all age groups? Use the data below to determine if they are all the same. 44-56 7 18-30 31-43 6 4 8 1 3 2 5 5 4 2 4 6 6 Assume all requirements are met. Run the test at a .10 level. 57-69 8 3517
Please show all work Thank you !!
A researcher collected how many grams of fat people on a specific diet consumed at breakfast and at lunch. The data for a sample of 8 people is shown in the table below. xx 11.3 8.2 7.2 3.6 2.3 2.5 2.7 0.4 yy 13.7 10.7 10.2 7.2 6.3 6.5 6.1 4.1 xx = grams of fat in breakfastyy = grams of fat in lunchThis data can be modeled by the equation ˆy=0.84x+4.07.y^=0.84x+4.07.Given this, how many grams of fat in lunch would be expected for a person who consumed 1.2 grams of fat at breakfast? Round to 1 decimal place.Answer =
A company's price/earnings (P/E) ratio is the company's current stock price divided by the latest 12 months' earnings per share. Suppose the following table shows the P/E ratios for a sample of 10 Japanese companies and 12 U.S. companies. Japan P/E Ratio 152 28 19 127 38 212 65 664 32 69 United States P/E Ratio 16 25 25 42 23 Find the value of the test statistic. W = 15.16 X 15 28 15 28 39 17 15 Is the difference between the P/E ratios for the two countries significant? Use the MWW test and α = 0.01 to support your conclusion. State the null and alternative hypotheses. Ho: The two populations of P/E ratios are identical. H₂: The two populations of P/E ratios are not identical. O Ho: Median for Japanese companies - Median for U.S. companies 20 H₂: Median for Japanese companies - Median for U.S. companies 0 O Ho: Median for Japanese companies - Median for U.S. companies > 0 H₂: Median for Japanese companies - Median for U.S. companies = 0 O Ho: The two populations of P/E ratios are not…
6. For the data set with u = 50 and o = 5 What percent of the data is between... 45 and 50 45 and 55 40 and 50 60 and 65 50 and 65 above 50
company's price/earnings (P/E) ratio is the company's current stock price divided by the latest 12 months' earnings per share. Suppose the following table shows the P/E ratios for a sample of 10 Japanese companies and 12 U.S. companies. Japan P/E Ratio 155 26 19 123 36 215 61 667 35 69 United States P/E Ratio 14 21 21 45 28 11 26 11 26 39 13 11 Is the difference between the P/E ratios for the two countries significant? Use the MWW test and ? = 0.01 to support your conclusion. Find the value of the test statistic. W = Find the p-value. (Round your answer to four decimal places.) p-value =

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