y 50.5 -475 41.3 1392.1 5.4 489.8 54.7 604.1 20.5 1389.4 22 -542 7.4 -53.9 45.1 -409.6 40.8 514 -4.1 458.9 32.1 600.8 17.2 -789.3 41.7 1672.8 49.4 660.7 231.1 -8175.6 Use your graphing calculator to determine the correlation coefficient for this data set. Round your answer to the nearest thousandth.

y 50.5 -475 41.3 1392.1 5.4 489.8 54.7 604.1 20.5 1389.4 22 -542 7.4 -53.9 45.1 -409.6 40.8 514 -4.1 458.9 32.1 600.8 17.2 -789.3 41.7 1672.8 49.4 660.7 231.1 -8175.6 Use your graphing calculator to determine the correlation coefficient for this data set. Round your answer to the nearest thousandth.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

5. 3. 781 Evaluate dydxdz
An experiment was performed to determine whether different types of chocolate take different amounts of time to dissolve. Forty people were divided into five groups. Each group was assigned a certain type of chocolate. Each person dissolved one piece of chocolate, and the dissolve time (in seconds) was recorded. For comparison, each person in each group also dissolved one piece of butterscotch candy; these pieces were identical for all groups. The data, which include the group, the dissolve times for both chocolate and butterscotch, the difference between the dissolve times, and the ratio of the dissolve times, are presented in the following table. Note that the design is slightly unbalanced; group 3 has nine people and group 5 has only seven. Group Chocolate Butterscotch Difference Ratio 60 135 75 2.25 865 635 230 1.36 122 63 59 1.94 110 75 35 1.47 71 37 34 1.92 81 58 23 1.40 2405 1105 1300 2.18
Given Matric C. find Matrix C 40.1 22.9154.9 C= 78.6 21.9 88.9 40.1 78.6 CT 22.921.9 154.9 88.9 [ 88. 9 78.6T %3D
A graphing calculator is recommended. Find the Maclaurin series of f (by any method). (x) cos(x?) f(x) = Find the radius of convergence, R. R00 Graph fand its first few Taylor polynomials on the same screen. 15 10 0.5 1.5-1.0 -0 1.0 1.5 -0.5 -1.0 -1.5 1.5
15.57/0.3
In a test of the effectiveness of garlic for lowering cholesterol, 50 subjects were treated with garlic in a processed tablet form. Cholesterol levels were measured before and after the treatment. The changes (before - after) in their levels of LDL cholesterol (in mg/dL) have a mean of 3.2 and a standard deviation of 17.5. Construct a 95% confidence interval estimate of the mean net change in LDL cholesterol after the garlic treatment. What does the confidence interval suggest about the effectiveness of garlic in reducing LDL cholesterol? Click here to view at distribution table. Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. C What is the confidence interval estimate of the population mean µ? mg/dL <μ< mg/dL (Round to two decimal places as needed.) What does the confidence interval suggest about the effectiveness of the treatment? O A. The confidence interval limits do not contain 0, suggesting…
1. Repeat the steps from tab #1 using this data to construct a scatter plot graph and calculate the correlation coefficient R. (Recall the correlation coefficient is R and not R2) Principals x Teachers y 77.8 43.7 78.4 43.8 80.8 45.0 80.5 45.6 R=0.997497 81.5 45.9 2. Does the R value represent a positive, negative or no correlation between the salaries of the teachers and principals? As teacher salaries increase, what happens to 84.8 48.2 87.7 49.3 prinicipal salaries? 91.6 51.3 93.6 52.9 3. Write the equation of the regression line for the data below. The equation is y= 95.7 54.4 95.7 54.2 4. Use the regression equation that you found in exercise #3 to predict the average annual salary of public school classroom teachers when the average annual salary of public school principals is $139,723. Show your work in the cells to the right. (Be careful when entering the x-value in the equation. The table shows numbers that have been adjusted in terms of the thousands. Example: if the salary…
7. 15 17 10. 18 15 6. 96 8, 9.
1 4/10 + 1 3/20 + 1 1/5 =
7. 125-1/3 8. (-27y6)1/3 9. 2 5 2
First Die 4 6. 1 3 4 6. 7 3 4 5. 6. 7. 8. 4 5. 6. 7 8. 9. 4 6. 7. 8. 9. 10 5 6. 8 6. 10 11 8. 9. 10 11 12 419 t in 47 Second Die
Use the sample data and confidence level given below to complete parts (a) through (d). In a study of cell phone use and brain hemispheric dominance, an Internet survey was e-mailed to 2444 subjects randomly selected from an online group involved with ears. 1139 surveys were returned. Construct a 95% confidence interval for the proportion of returned surveys. Click the icon to view a table of z scores. a) Find the best point estimate of the population proportion p. (Round to three decimal places as needed.) b) Identify the value of the margin of error E. E= (Round to three decimal places as needed.) c) Construct the confidence interval. (…)