The figure below plots the average brain weight in grams vs. average body weight in kg for 96 mammals.Brain weight (g)4000-35003000-2500-2000-1500 DolphinHuman1000-500-0Hippo▬▬▬▬800 1200 1600 2000 2400 2800Body weight (kg)The correlation is r = 0.86. Explain what this value means.400type your answer...ElephantWhat effect would removing the elephant have on the correlation? Justify your answer.type your answer...

Given: We have a plot of average brain weight in grams vs. average body weight in kg for 96 mammals.…

Answered: The figure below plots the average…

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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The table shows the number of absences, x, in a class and the final exam grade, y, for seven students. X 1 0 2 6 4 3 3 Y 95 90 90 55 70 80 85 Use the graphing calculator to find the correlation coefficient. (Round answer to three decimal places. Do not write 0.123 as.123.)
Question Calculate the product moment correlation coefficient. Interpret your results.
Don't use pen or paper
This table shows the minutes students spent studying for their science exam and the scores they received. Study time (min) 19 12 34 10 17 42 60 15 9 21 30 50 Exam score 82 78 90 78 85 97 100 85 73 90 91 98 Use a graphing calculator to model the data using a linear function. What is the correlation coefficient of the data? −0.74 −0.48 0.93 0.98
Compute the correlation coefficient between the price of eggs and the price of milk. Round the answer to at least three decimal places.
Pavnnn
x 0.52 0.49 0.49 0.45 0.44 0.43 0.42 0.41 0.40 y 75 80 72 70 71 70 65 60 62 Find coefficient of correlation and interpret the result.
The number of hours 13 students spent studying for a test and their scores on that test: Hours spent studying(x) Test score (y) 0 40 1 41 2 51 3 48 4 64 4 69 5 73 5 75 6 68 6 93 7 84 7 90 8 95 Using 5% level of significance, is there a significant relationship between hours spent studying and test score. What is the coefficient of determination? Leave answers in 4 decimal places.
Please solve Part d and e of this question
A grocery store manager did a study to look at the relationship between the amount of time (in minutes) customers spend in the store and the amount of money (in dollars) they spend. The results of the survey are shown below. Time 14 30 11 29 25 6 26 Money 62 97 39 118 76 18 83 Find the correlation coefficient: r = ________ (Round to 2 decimal places) The p-value is: ________ (Round to 4 decimal places)
I need this as soon as possible please
Let x be the average number of employees in a group health insurance plan, and let y be the average administrative cost as a percentage of claims. x 3 7 15 32 75 y 40 35 30 26 18 (a) Make a scatter diagram of the data and visualize the line you think best fits the data. Flash Player version 10 or higher is required for this question. You can get Flash Player free from Adobe's website. (b) Would you say the correlation is low, moderate, or strong? positive or negative? strong and negative moderate and negative strong and positive low and negative low and positive moderate and positive (c) Use a calculator to verify that Σx = 132, Σx2 = 6932, Σy = 149, Σy2 = 4725, and Σxy = 2997. Compute r. (Round your answer to three decimal places.)r = As x increases, does the value of r imply that y should tend to increase or decrease? Explain. Given our value of r, we cannot draw any conclusions for the behavior of y as x increases. Given our value of r, y should tend to…

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