If a p-value reported in the Excel linear regression output associated witha particular variable is 0.0014, it would indicate this variable:a. none of the answers provided.O b. is significant if the significance level is O.1.O c. is not significant if the significance level is 0.1.O d. is not significant if the significance level is 0.05.O e. is significant if the significance level is O.01.

Answered: If a p-value reported in the Excel…

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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Suppose IQ scores were obtained for 20 randomly selected sets of twins. The 20 pairs of measurements yield x=101.13, y=100.45, r=0.890, P-value=0.000, and y=−10.24+1.09x, where x represents the IQ score of the twin born second. Find the best predicted value of y given that the twin born second has an IQ of 101? Use a significance level of 0.05. a. The best predicted value of y is (Round to two decimal places as needed.)
The table shows the number of households burglarized in a sample of households with dogs and in a sample of households without dogs. Assume that you plan to use a significance level of a=0.01 to test the claim that a smaller portion of households with pet dogs are burglarized? Household with dog household without dog Number of households in sample 206 140 Number of households burglarized 20 11
Suppose IQ scores were obtained for 20 randomly selected sets of siblings. The 20 pairs of measurements yield x=97.78, y = 96.9, r=0.830, P-value = 0.000, and y = 20.49 +0.78x, where x represents the IQ score of the younger child. Find the best predicted value of y given that the younger child has an IQ of 91? Use a significance level of 0.05. Click the icon to view the critical values of the Pearson correlation coefficient r. The best predicted value of ŷ is. (Round to two decimal places as needed.)
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A consumer product testing organization uses a survey of readers to obtain customer satisfaction ratings for the nation's largest supermarkets. Each survey respondent is asked to rate a specified supermarket based on a variety of factors such as: quality of products, selection, value, checkout efficiency, service, and store layout. An overall satisfaction score summarizes the rating for each respondent with 100 meaning the respondent is completely satisfied in terms of all factors. Suppose sample data representative of independent samples of two supermarkets' customers are shown below. Supermarket 1 Supermarket 2 n = 260 n, = 300 = 84 X, = 83 (a) Formulate the null and alternative hypotheses to test whether there is a difference between the population mean customer satisfaction scores for the two retailers. (Let u, = the population mean satisfaction score for Supermarket 1's customers, and let u, = the population mean satisfaction score for Supermarket 2's customers. Enter != for as…
Suppose IQ scores were obtained for 20 randomly selected sets of siblings. The 20 pairs of measurements yield x=103.36, y=103.45, r=0.928, P-value= 0.000, and y=−7.2+1.07x,where x represents the IQ score of the older child.Find the best predicted value of y given that the older child has an IQ of 106? Use a significance level of 0.05
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Suppose IQ scores were obtained for 20 randomly selected sets of siblings. The 20 pairs of measurements yield x=100.3, y=101.75, r=0.901, P-value=0.0001, and y=−7.33+1.09x, where x represents the IQ score of the older child. Find the best predicted value of y given that the older child has an IQ of 90. Use a significance level of 0.05.

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