Compute the linear correlation coefficient between the two variables and determine whether a linear relation exists. Round to three decimal places.A manager wishes to determine whether there is a relationship between the number of years her sales representatives have been with the company and their average monthly sales.The table shows the years of service for each of her sales representatives and their average monthly sales (in thousands of dollars).Years with company, x 67 14 11 12 197 5 15Sales, y 2628 73 57 60 5643 50 115Click the icon to view the critical values table.O A. r=0.632; a linear relation existsO B. r=0.717; no linear relation existsO C.r=0.632; no linear relation existsO D. r=0.717; a linear relation exists

We have given that, The data set are, X:- 6, 7, 14, 11, 12, 19, 7, 5, 15 Y:- 26, 28, 73, 57, 60,…

Answered: Compute the linear correlation…

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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Part c?
C. Describe the four characteristics of association
Desmos | Graphing Calc Year Time (seconds) 1912 82.2 1924 72.4 1932 66.8 1952 66.8 1960 61.2 1968 60.0 1976 55.65 1984 55.92 1992 54.64 2000 53.8 2008 53.1 a. Decide which variable should be the independent variable and which should be the dependent variable. b. Draw a scatter plot of the data. C. Does it appear from inspection that there is a relationship between the variables? Why or why not? d. Find the equation in the form of: y= a + bx. e. Find the correlation coefficient. f. Find the estimated gold medal time for 1932. Find the estimated time for 1984. g. Why are the answers from part f different from the chart values? h. Does it appear that a line is the best way to fit the data? Why or why not? i. Use the least-squares line to estimate the gold medal time for the next Summer Olympics (Assuming they would be in 2020). Do you think that your answer is reasonable? Why or why not? Note that the fastest speed time in recorded history as of 2020 was 51.22 seconds for the 100 meter…
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A researcher explored the relationship between the percent of snow days during the month of January and the percent of students that receive an A on class finals at the same schools. The researcher collects information from 6 schools, shown in the table below. Use the graph below to plot the points and develop a linear relationship between the percent of January snow days and the percent of 'A' final exams. School Number % of Snow Days % of A Finals 1 5 25 2 7 45 3 10 50 4 12 65 5 20 70 6 25 86 Using the linear relationship graphed above, estimate the percent of 'A' finals if there are 2% snow days. Provide your answer below:

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