A company held a blood pressure screening clinic for its employees. Theresults are summarized in the table below by age group and bloodpressure level.a) Find the marginal distribution of blood pressure.Age30-49359052177Blood PressureLowUnder 3026Normal50High24Total100(Round to one decimal place as needed.).Over 50339374200LowNormalHighTotal94233150477Under 30265024%100.0Age30-49359052Over 50339374

given data blood pressure under 30 30-49 over 50 total low 26 35 33 94 normal 50 90 93 233…

Answered: A company held a blood pressure…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Evaluate an appropriate measure of dispersion for the following data : Income : Less than 50 50–70 70-90 90–110 110–130 | 130–150 above 150 No. of Persons : 54 100 140 300 230 125 51
The data set below represents the ages of 36 executives. Find the percentile that corresponds to an age of 65 years old. 30 30 31 32 33 33 33 35 35 37 37 38 38 39 39 41 42 42 44 45 46 46 46 47 47 48 48 51 52 59 62 63 65 65 66 66 Percentile of 65 = (Round to the nearest integer as needed.)
Researchers wondered whether the size of a person's brain was related to the individual's mental capacity. They selected a sample of 5 females and 5 males and measured their MRI image pixel counts and IQ scores. Females Males MRI IQ MRI IG The data is reported to the right. Complete parts (a) through (d) below 139 858,472 140 955,003 935,494 924,059 1.079.550 1,001.121 Click the icon to view the critical values table. 991,305 138 141 857,782 833,868 790,619 133 135 132 141 135 140 AMRI 1,080,000- AIO 145 AIO 145- AMRI 1,080,000 780,000 130 130 780,000 130 780,000 780,000 130 1,080,000 145 1,080,000 MRI 145 MRI (b) Compute the linear correlation coefficient between MRI count and IQ. Are MRI count and IQ linearly related? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. (Round to three decimal places as needed.) A. Yes, MRI count and IQ are linearly related since the linear correlation coefficient is O B. No. MRI count and IQ are not…
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…
The following data give the number of keyboards assembled at the Twentieth Century Electronics Company for a sample of 25 days. Calculate the following: 1st Decile, 28th Percentile, 7th Decile, and 85th Percentile.
What is the class mark of the Median Class?
Given below are the ages of motorcyclists at the time they were fatally injured in traffic accidents (based on data from the U.S. Department of Transportation). 18 38 23 14 18 34 16 42 28 24 40 20 23 34 37 21 32 25 17 28 33 25 23 19 51 18 29 Looking at the histogram for the data, on the horizontal axis what is the min and max value for the 5th bar? Given below are the ages of motorcyclists at the time they were fatally injured in traffic accidents (based on data from the U.S. Department of Transportation). 18 38 23 14 18 34 16 42 28 24 40 20 23 34 37 21 32 25 17 28 33 25 23 19 51 18 29 Looking at the histogram for the data, on the horizontal axis what is the min and max…
A teacher categorized students by whether they regularly completed their homework (or not) and whether they passed the course (or not). The data are in the table below. Complete the Venn Diagram by using the table of values provided. Then answer the additional questions below. Completed Homework Did not Complete Homework Total Passed the Course 24 5 29 Did not Pass the Course 6 15 21 Total 30 20 50 Completed Homework Passed the Course U Enter all of your results as percents rounded to two decimal places. What percent of all the students passed the course and completed homework? % What percent of all the students passed the course and didn't complete homework? % What percent of students who completed homework passed the course? % What percent of students who did not pass the course did not complete the homework? %

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