Question

Consider the following sample of 8 observations on X and Y:X: 4 19 2 17 16...

Consider the following sample of 8 observations on X and Y:X: 4 19 2 17 16 20 7 20 Y: 25 22 19 14 3 4 20 9 (a) Determine the coefficient of correlation between Y and X. (b) Determine the coefficients (i.e., the a and b values) of the regression equation Y = a + bX. (c) Interpret the values of the coefficients a and b.

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Consider the following sample of 8 observations on X and Y: X: 18 12 15 21...
Consider the following sample of 8 observations on X and Y: X: 18 12 15 21 18 22 16 19 Y: 45 38 39 65 42 58 51 61 (a) Determine the coefficients (i.e., the a and b values) of the regression equation Y = a + bX. (b) Now suppose each of the eight observations represents a part-time salesperson in a retail store. For each individual, X Is equal to the number of hours worked last week, while Y...
Consider the following sample of 8 observations on X and Y: X: 18 12 15 21...
Consider the following sample of 8 observations on X and Y: X: 18 12 15 21 18 22 16 19 Y: 45 38 39 65 42 58 51 61 (a) Determine the coefficients (i.e., the a and b values) of the regression equation Y = a + bX (b) Now suppose each of the eights observations represents a part-time salesperson in a retail store. For each individual, X is equal to the number of hour worked last week, while Y...
Question 2: Consider the following sample of 8 observations on X and Y: X: 18 12...
Question 2: Consider the following sample of 8 observations on X and Y: X: 18 12 15 21 18 22 16 19 Y: 45 38 39 65 42 58 51 61 (a) Determine the coefficients (i.e., the a and b values) of the regression equation . (b) Now suppose each of the eight observations represents a part-time salesperson in a retail store. For each individual, X Is equal to the number of hours worked last week, while Y is equal...
Consider the following sample:             x 9 6 7 5 8 y 19 14 16 12...
Consider the following sample:             x 9 6 7 5 8 y 19 14 16 12 15             Calculate the coefficient of correlation. Does correlation coefficient provide information about the relationship between x and y? Explain. Find the linear regression line. Find y, if x is 10.
7- The following sample of observations were randomly selected. X          6          3          5   &nbs
7- The following sample of observations were randomly selected. X          6          3          5          8          12 Y          4          8          6          10         14 Determine the correlation coefficient and interpret the relationship between X and Y. Find the Linear Regression equation. Find the value of Y when X 11. Please show calculations. Thank you.
1 2 3 4 5 X 7 20 6 17 20 Y 7 19 11 9...
1 2 3 4 5 X 7 20 6 17 20 Y 7 19 11 9 3 The following sample observations were randomly selected: 1. Determine the regression equation. (Negative answers should be indicated by a minus sign. Do not round intermediate calculations. Round the final answer to 4 decimal places.) b= a= Y'= ------ + ------ X 2. Determine the value of Y' When X is 20. (Do not round intermediate calculations. Round the final answer to 4 decimal...
consider the following data on Y and X Y X 15 16 18 25 27 40...
consider the following data on Y and X Y X 15 16 18 25 27 40 you are estimate the equation Y=a+Bx+e a- determine the OLS estimate the slope coefficient,B b- determine the OLS estimate of the constant term,a{alpha} c- interpret the meaning of the estimate slop coefficient that you have estimate in words
Read the table below: X Y 13 18 14 21 17 19 11 20 12 16...
Read the table below: X Y 13 18 14 21 17 19 11 20 12 16 10 13 Determine 1. the correlation coefficient (r) 2. The coefficient of determination (r 2)
Consider the following data for two variables, x and y. xi 4 5 7 8 10...
Consider the following data for two variables, x and y. xi 4 5 7 8 10 12 12 22 yi 12 14 16 15 18 20 24 19 Use the facts that ̄x= 10, ̄y= 17.25, ˆy= 13.05 +.42x, Σ(xi − ̄x)^2= 226, and s= 5.58. Compute the leverage values for these data. Do there appear to be any influential observations in these data? Explain.
Use the following information for problems 17-19: Given the following data:   x   1 2 3 4...
Use the following information for problems 17-19: Given the following data:   x   1 2 3 4 5 6   y   22 31 28 41 33 41 Which of the following would be the LSRL for the given data? Determine the correlation coefficient for the data? Find the residual value for x = 5.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT