QUESTION 12Find the correlation coefficient for the following data:Obs.Y16286310474O 0.3830.4160.3750.408

Given data : Sr no X Y 1 2 6 2 8 6 3 9 10 4 7 4

Answered: QUESTION 12 Find the 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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Question 6 For the data in the table, find the following values. Round each answer to 4 decimals. X y 2. 10 18 23 11 24 26 14 37 20 39 a. The linear correlation coefficient is: b. The coefficient of determination is: Submit Question 4699 SS5 45 67 0-|3|寸|
A researcher records the odometer reading and price for a group of used Hondas. What kind of correlation is likely to be obtained for these two variables? Question 17 options: A positive correlation A negative correlation A correlation near zero A correlation near one
H234567 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 Tests A 1 2,431 4,098 17 18 13 4,141 4,283 5,292 73 150 4,510 4,284 1,394 2,202 2,053 1,539 3,332 4,291 1,770 4,557 1,420 66 3,818 2,154 558 1,645 2,738 4,598 2,465 4,831 2,686 556 4,363 1,775 1,295 801 5,691 4,993 4,338 2.259 Cases B 50 0 705 772 1 ONE WP 3 3 1,127 870 768 11 31 1,251 1,140 460 280 328 306 505 1,149 452 924 484 5 1,035 614 169 252 757 940 670 710 523 125 1,285 527 120 154 885 587 964 616 C D E F G H I J - K L
Consider the following small data set. Subject x y 11 1010 1717 22 77 2424 33 1212 2525 44 33 3131 55 1010 2424 Find the linear correlation coefficient. r=r=
For the following scores, X Y 0 4 2 9 1 6 1 9 Draw a scatter plot. Is this a positive or negative correlation? Explain what a positive correlation and negative correlation are. Compute the pearson correlation.
question 23: Here is a bivariate data set. x y -8 -8 26 26 44 42 15 4 10 40 38 38 62 40 -20 4 Find the correlation coefficient and report it accurate to four decimal places.r =
Question 2 Determine the correlation coefficient for the data shown in this table: 3 8. 10 14 16 17 y 43 37 28 22 20 12 a) O-0.9751 b) O-0.9508 c) O 0.9508 d) O 0.9751 e) O-0.4875 f) O None of the above
Question 17 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 15 15 27 12 5 25 26 24 22 Money 43 51 81 53 28 100 77 65 73 Find the correlation coefficient: r=r= Round to 2 decimal places. The null and alternative hypotheses for correlation are:H0:H0: Correct == 0H1:H1: Correct ≠≠ 0 The p-value is: (Round to four decimal places) There is statistically insignificant evidence to conclude that there is a correlation between the amount of time customers spend at the store and the amount of money that they spend at the store. Thus, the use of the regression line is not appropriate. There is statistically significant evidence to conclude that a customer who spends more time at the store will spend more money than a customer who spends less time at the store. There is statistically…
Question 22: Match each scatterplot shown below with one of the four specified correlations. -0.62 0.09 -0.33 0.98
Question 5
question 23 Here is a bivariate data set. x y 73 -89 63 43 59 88 31 -17 58 -48 65 100 76 18 69 82 71 10 Find the correlation coefficient and report it accurate to four decimal places.r =
For the following set of data: X LY 3 3 2 4 7 7 Sketch a graph showing the location of the five X,Y points. Just looking at your graph, estimate the value of the Pearson correlation. Compute the Pearson correlation for this data set using the formula sheet handed out in class. а. b. с.

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QUESTION 12 Find the correlation coefficient for the following data: Obs. Y 1 6 2 8 6 3 10 4 7 4 O 0.383 0.416 0.375 0.408