Use the given data set to complete parts (a) through (c) below. (Use a=0.05.)9107.451312.73148.846.787.1255.72Click here to view a table of critical values for the correlation coefficient.a. Construct a scatterplot. Choose the correct graph below.OAOB.OC.1616416410412-12412412-BH88-4b. Find the linear correlation coefficient, r, then determine whether there is sufficient evidence to support the claim of a linear correlation between the two variables.The linear correlation coefficient is r(Round to three decimal places as needed.)Using the linear correlation coefficient found in the previous step, determine whether there is sufficient evidence to support the claim of a linear correlation between the two variables. Choose the correctanswer belowsallanns somstadie haben thewளிahlaa117.8166.0845.39128.14D.76.41

Given: Sr. No. x y 1 10 7.45 2 8 6.78 3 13 12.73 4 9 7.12 5 11 7.81 6 14 8.84 7 6…

Answered: Use the given data set to complete…

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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use the sample data to construct a scatterplot. Use the first variable for the x-axis. Based on the scatterplot, what do you conclude about a linear correlation? FORECAST AND ACTUAL TEMPERATURES The table lists actual high temperatures and the high temperatures that were previously forecasted for these same days. The table includes data for ten different days near the author’s home. What does the result suggest about the accuracy of five-day predicted high temperatures?
Use a computer or statistical calculator to calculate the correlation coefficient in parts a through c below. Cost Miles a. The table shows the approximate distance between selected cities and the approximate cost of flights between those cities. Calculate the correlation coefficient between cost and miles. 190 958 413 3095 r= (Round to three decimal places as needed.) 256 1998 90 429 436 3008 b. This table shows the same information, except that the distance was converted to kilometers by multiplying the numbers of miles by 1.609 and rounding to the nearest kilometer. What happens to the correlation coefficient when numbers are multiplied by a positive constant? Cost Kilometers O 190 1541 413 4980 (Round to three decimal places as needed.) 256 3215 90 690 436 4840 A. The correlation is The correlation coefficient remains the same when the numbers are multiplied by a positive constant. B. The correlation is The correlation coefficient increases when the numbers are multiplied by a…
K Listed below are altitudes (in thousands of feet) and outside air temperatures (in °F) recorded during a flight between two cities. A. Altitude Temperature Use these data to complete parts (a) through (d) below. A Temp. 60- -60- a. Construct a scatterplot. Choose the correct answer below. O -O | O O strong O b p 3 56 Alt. 410 9 39 weak positive correlation strong negative correlation 13 26 strong positive correlation O weak negative correlation B. 23 - 6 A Temp. 60- -60- 26 - 30 O O -O- 32 - 42 Alt. 40 b. Briefly characterize the correlation in words. Choose the correct answer below. 33 - 52 h .. O C. 60- -60- Temp. O 10 O O Alt. 40 SO D. A Temp. O 60- -60- O O O O Alt. 40
E Question Help Use the given data set to complete parts (a) through (c) below. (Use a=0.05) 11 9.26 10 6. 14 8.11 8 6. 6.13 13 4 12 9.14 8.14 8.75 8.77 3.09 9.13 7.26 4.74 Click here to view a table of critical values for the correlation coefficient. a. Construct a scatterplot. Choose the correct graph below. OA. O B. OC. O D. Ay 10- 本y 10- Ay 10- Ay 10 - 8- 8- 8- 8- 6- 6- 6- 6- 4- 4- 4- 4- 2- 2- 2- 2- 0- 4 0- 0- -> 0- 41 81 12 16 4 8. 12 16 8 12 16 4 8 12 16 b. Find the linear correlation coefficient, r, then determine whether there is sufficient evidence to support the claim of a linear correlation between the two variables. Click to select your answer(s). earch 0耳 a
(e)
Match the correlation coefficients with their scatterplots. Select the letter of the scatterplot below which corre- sponds to the correlation coefficient. (Click on image for a larger view.) ? 1. r= 0.76 ? 2. r=-0.74 ? 3. r= 0.22 ? 4. r= -0.97 A B C D
University of Nizura Find Karl Pearson's coefficient of correlation r: byx=-0.45,bry =-1.5 Select one: O A -0.45 O B.0.68 O C. 0.91 O D. -1.5 O E. None of these page
The data below are the final scores of 10 randomly selected statistics students and the number of hours they studied for the final. What is the best-predicted value for y given x = 6? Assume that the variables x and y have a significant correlation. hours x: 3,5,2,8,2,4,4,5,6,3 scores y: 65,80,60,88,66,78,85,90,90,71 A.84 B.86 C.85 D.87
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Consider below the correlation between the test result in the First attempt and the Second attempt. Which of the following statement best describes the diagram? Select one: a the correlation is -1.00 b there is a very weak linear correlation c there is a very strong negative linear correlation d there is a very strong positive correlation
choose the correct answer Given the following X and Y variables. Determine the Pearson-r correlation value. (photo) a. 0.412 b. - 0.785 c. 0.248 d. - 0.293 What is the range of the given data set: 25, 19, 30, 12, 45, 11, 32, 49, 23, 36, 34 ? a. 49 b. 26 c. 38 d. 44 Thank you!!!
The data given below are the amount of export (x in 00 million taka) of fish and amount of export (y in 00 million of taka ) in different years. X у 7 10 17 22 1. Calculate 13 12 14 16 15 24 25 28 37 40 correlation coefficient of x and y and comment. 2. Test the significance of correlation at 5% level of significance and comment

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