The heights (in metres) of the winners and runners-up in elections to a particular postwere recorded.Winner 1.78 1.87 1.87 1.90 1.91 1.91 1.82 1.82Runner-up 1.85 1.78 1.79 1.74 1.90 1.90 1.87 1.95(a) Plot a scatter graph of these data.(b) The following output was obtained from an analysis carried out in R:> winner<-c(1.78, 1.87, 1.87, 1.90, 1.91, 1.91, 1.82, 1.82)> runnerup<-c(1.85, 1.78, 1.79, 1.74, 1.90, 1.90, 1.87, 1.95)> cor.test(winner, runnerup)Pearson's product-moment correlationdata: winner and runnerupt = -0.56964, df = 6, p-value = 0.5896alternative hypothesis: true correlation is not equal to 095 percent confidence interval:-0.8030109 0.5689796sample estimates:cor-0.2265121(i) Explain clearly which analysis is being carried out.(ii) What can you conclude from the p-value?(iii) Interpret the confidence interval.

The data of heights(in meters) of winners and runner-ups in elections to a particular post are…

Answered: The heights (in metres) of the winners…

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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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…
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The following table presents the daily high temperatures for the city of Macon, Georgia, in degrees Fahrenheit, for the winter months of January and February in a recent year. 67 52 73 58 51 71 58 59 64 64 58 67 53 53 63 75 76 61 52 52 68 67 48 55 69 63 58 56 56 63 74 65 57 53 48 70 76 51 65 60 61 Send data to Excel Construct a stem-and-leaf plot, using the digits 4, 5, 6, and 7 as the stems. Do not separate the answers with a comma. If there are no leaves, select the "None" button. 4 None 5 6 S 7 X

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