• where not met in 200 iterationsListed below are paired data consisting of amounts spenton advertising (in millions of dollars) and the profits (inmillions of dollars). Determine if there is a significantlinear correlation between advertising cost and profit.Use a significance level of 0.01 and round all values to 4decimal places.Advertising Cost Profit2623203030272934567r=891011Ho: p = 0Ha: p = 0Find the Linear Correlation CoefficientFind the p-valuep-value =2931The p-value isGreater than aO Less than (or equal to) aThe p-value leads to a decision toAccept HoO Do Not Reject HoO Reject HoThe conclusion isO There is a significant negative linear correlationbetween advertising expense and profit.There is a significant linear correlation betweenadvertising expense and profit.There is a significant positive linear correlationbetween advertising expense and profit.There is insufficient evidence to make a conclusionabout the linear correlation between advertisingexpense and profit.

Answered: Image /qna-images/answer/a7bf9f44-2789-4497-b84b-fbd3ccd9bbd3.jpg

Answered: where not met in 200 iterations Listed…

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 data below was collected from manufacturer advertisements of their vehicles horsepower (x) and highway gas mileage (mpg=y). Use this data to answer the following questions. horsepower 146 250 340 350 390 190 220 mpg 33 28 15 17 11 35 42 1. Find the p-value to determine if there is a linear correlation between horsepower and highway gas mileage (mpg). Record the p-value below. Round to four decimal places.p-value==2. Is there a linear correlation between horsepower and highway gas mileage (mpg)? 3. If there is a linear correlation, write the correlation coefficient below. Otherwise, leave it blank. Round your final answer to four decimal places. Be careful with your sign.r=r= 4. If there is a linear correlation, write the regression equation below. Otherwise, leave it blank. Round all numbers to four decimal places.ˆy=y^=5. Using the data shown above, predict the the highway gas mileage (mpg) for a car that has a horsepower of 225. Round your final answer to two decimal…
Assume the correlation coefficient between advertising dollars spent and sales is .78. How much of the variability in sales is explained by the relationship between sales and advertising dollars? a. 39.16% b. 60.84% c. 78% d. 22%
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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What can be said about the relationship between the cost of advertising and the number of products sold? A. Strong negative correlation B. very strong negative correlation. C. Strong positive correlation. D. Very strong positive correlation
Plot the scatterplots and predicted trendlines. Observe the role and effects of SCALE,R Square,slope, p-value. " Normal babies" patient set apgar score d1 apgar score d2 1 1 1.1 2 2 2.2 3 3 3.3 4 4 4.4 5 5 5.5 6 6 6.6 7 7 7.7 8 8 8.8 9 9 9.9
find t reject or fail to reject
Y 5 10 15 20 25 30 -0.112 0.001 0.091 0.942 0 Based on the plot displayed here, what is a possible correlation between the variables and y?
Calculate test statistic Decide whether to reject or fail to reject
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