12 Day 13 Day 24 Day 3Day 4Day 5Hours Worked Charts Coded252913311968385678 Use your Excel functions to calculate.910 21. Calculate the Correlation between the number of hours worked and the number of charts coded.1112 22. Is there a correlation between the two?1314 23. Create a scatter chart to visualize the correlation.1516 24. Title the chart, and name the Vertical Axis and Horizontal Axis.1718

The following information has been provided: Hours Worked Charts Coded Day 1 6 25 Day 2 8…

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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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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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Read the data points from the graph and complete the table below. 25 20 15 10 5 0 1 2 3 4 5 1 2 3 A
What kind of relationship is depicted in the following graph? 7 2 1 0 2 3 a. A positive linear correlation b. A nonlinear correlation c. No correlation Od. A negative linear correlation 6 9 10
Need the first 3
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Given the graph below, what type of correlation would you predict there is between the variables? CAR PRICE DEPENDING ON AGE Price (dollars) 10000 9000 8000 7000 6000 5000 4000 3000 2000 1000- 4. 10 Age (years) O Positive correlation O Negative correlation O No correlation
The scatter plot shows the number of hours worked and money spent on entertainment by each of 24 students. Also shown is the line of best fit for the data. Fill in the blanks below. 70 65 60 55. Amount of 50 × 45 money spent on entertainment 40+ (in dollars) 35. × × 30 25 20 15. × 10+ 5-x 0 6 8 10 12 14 16 18 20 22 Number of hours worked (a) For these 24 students, as the number of hours increases, the amount of money spent tends to (Choose one) (b) For these 24 students, there is (Choose one) money spent. correlation between the number of hours worked and the amount of (c) Using the line of best fit, we would predict that a student working 8 hours would spend approximately (Choose one) ▼ ك ?
Answer 21-24 thank you
+ Automatic Zoom Weight (tons) 70 60 50 40 30 ROSA200 16, 17, 10 20 40 60 80 100 Length (feet) X4 Which statement accurately describes the information in the scatter plot? A. The information shows a positive correlation. The weight of a dinosaur tends to increase according to its length. B. The information shows a negative correlation. The weight of a dinosaur tends to decrease according to its length. C. The information shows no correlation. The weight and length vary according to the type of dinosaur. D. The information shows no correlation. The relationship between the weight and length of a dinosaur is uncertain. Book Page 182-183

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