The data shown below consists of the price (in dollars) of 7 events at a local venue and the number ofpeople who attended. Determine if there is significant linear correlation between ticket price and numberof attendees. Use a significance level of 0.01 and round all values to 4 decimal places.Ticket PriceAttendence6170101511417118160221722617930130Но: р %3D 0Ha: p = 0Find the Linear Correlation CoefficientFind the p-valuep-value =The p-value isO Less than (or equal to) aO Greater than a

Answered: Find the Linear Correlation Coefficient…

Find the Linear Correlation Coefficient r = Find the p-value p-value =D The p-value is O Less than (or equal to) a O Greater than a

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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Triples and Home Runs The data below show the number of three-base hits (triples) and the number of home runs hit during the season by a random sample of MLB teams. Triples 37 27 29 40 30 16 Home runs 360 260 280 390 290 150 Send data to Excel The correlation coefficient for the data is r = 1 and a = 0.05. Should regression analysis be done? OThe regression analysis should not be done. O The regression analysis should be done. Find the equation of the regression line. Round the coefficients to at least three decimal places, if necessary. y'3a+bx %3D Find y when x= 38. Round your answer to at least three decimal places, if necessary.
Q A T Annual high temperatures in a certain location have been tracked for several years. Let X represent the year and Y the high temperature. Based on the data shown below, calculate the correlation coefficient (to. three decimal places) between X and Y. Use your calculator! X y 18.97 22.34 25.91 26.68 30.35 33.42 34.29 36.86 43.23 46.3 48.17 T = Question Help: Video Message instructor Submit Question Jump to Answer N 1 2 2 3 4 Openmath.com/course/course.php?cid=139842 80 F2 F3 1 5 6 7 8 9 10 11 W S X # 3 E D A $ 4 F4 R % 5 F CV F5 T G MacBook Air 6 Y B & 7 H a U N * 00 8 J DII FB - 9 M K ) 0 36 A F
Triples and Home Runs The data below show the number of three-base hits (triples) and the number of home runs hit during the season by a random sample of MLB teams. Triples 30 31 30 20 19 22 Home runs 305 315 305 205 195 225 Send data to Excel The correlation coefficient for the data is =r1 and =α0.05 . Should regression analysis be done? The regression analysis should not be done. The regression analysis should be done. Find the equation of the regression line. Round the coefficients to at least three decimal places, if necessary. =y′+abx =a =b Find y′ when =x19 . Round your answer to at least three decimal places, if necessary. =y′
Triples and Home Runs The data below show the number of three-base hits (triples) and the number of home runs hit during the season by a random sample of MLB teams. Triples 30 34 21 25 41 19 Home runs 293 290 263 312 318 276 Send data to Excel The correlation coefficient for the data is 7=0.707 and a=0.01. Should regression analysis be done? O The regression analysis should not be done. O The regression analysis should be done. Find the equation of the regression line. Round the coefficients to at least three decimal places, if necessary. y' = a+bx a = b Find y' when x 36. Round your answer to at least three decimal places, if necessary. y' = 80 B olo 5 肉

The table shows data on the number of visitors to the UK in a month, v (1000s), and the amount of money they spent, m (£ millions), for each of 8 months. Number of visitors 2450 2480 2540 2420 2350 2290 2400 2460 v (1000s) Amount of money spent 1370| 1350 1400 1330 1270 1210 1330 1350 m (£ millions) The correlation coefficient between m and v is 0.962 a. Give a reason to support fitting a regression model of the form m = a + bv to these data. b. Summary statistics are: v = 2423.75, m = 1326.25, s, = 77.9995421, sm = 1326.25, R = 0.962 For a regression model of the form m = a + bv . Find the value of b (the slope) correct to two decimal places. c. Now calculate a (the intercept) to calculate the regression model. d. Interpreting the value of b, each additional visitor spends £ e. Using the equation calculated in part c, estimate the amount of money spent when the number of visitors to the UK in a month is 2,500,000
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You are a robotics engineer working for a large tech company. For one of your artificially intelligent robots, you are looking to see if the size of the data file used to train the robot is predictive of the time the robot takes to complete a maze. You are going to collect a random sample of 9 attempts at completing the maze. You will note for each attempt the size of the data file (denoted by x, in MB) and the time (denoted by y, in seconds) to complete the maze. You will also note the product x'y of the size of the data file and the completion time for each attempt. (These products are written in the row 画 labeled "xy"). (a) Click on "Take Sample" to see the results for your random sample. Data file size, x 181.7 39.1 75.6 138.9 93.4 52.8 138.9 124.3 203.2 (in MB) Completion time, y (in seconds) Take Sample 143 371 320 201 343 435 252 264 88 ху 25,983.1 14,506.1 24,192 27,918.9 | 32,036.2 22,968 | 35,002.8 32,815.2 17,881.6 Send data to calculator Based on the data from your sample,…
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Listed below are paired data consisting of amounts spent on advertising (in millions of dollars) and the profits (in millions of dollars). Determine if there is a significant negative linear correlation between advertising cost and profit. Use a significance level of 0.05 and round all values to 4 decimal places. Advertising Cost Profit 3. 25 15 18 6. 17 21 8. 29 9. 28 10 21 11 27 Ho: p = 0 Ha: p <0 Find the Linear Correlation Coefficient Find the p-value p-value The p-value is
Car Fuel Efficiency Data for fuel economy ratings in mi/gal for different cars are listed below. Each pair of data represents the rating using the Old test and the New test. Old (x) 31 22 23 33 27 21 22 19 31 16 New (y) 25 17 26 26 23 18 19 16 28 19 Find the value of the linear correlation coefficient r.Round your answer to 3 decimal places, if needed.
Match the linear correlation coefficient to the scatter diagram. The scales on the x- and y-axes are the same for each diagram. (a) r = -1 (b) r= -0.933 (c) r=-0.523 (d) r= -0.038 Click the icon to view the scatter diagrams. r= -0.933 r= -1 r= -0.523 r=-0.038 Drag each of the r-values given above into the appropriate area below. Q Response Explanatory Response Explanatory Q *** Response Explanatory Q Response Explanatory
Annual high temperatures in a certain location have been tracked for several years. Let X represent the year and Y the high temperature. Based on the data shown below, calculate the correlation coefficient (to three decimal places) between X and Y. Use your calculator! y 9.05 6. 10.02 11.19 8 15.56 14.13 10 17.7 Question Help: Message instructor Submit Question DEC tv (0) DI 80 88 FB F7 F6 F5 F4 F3 F2 * & % # 8