Posted by **Tracy** on Wednesday, June 26, 2013 at 9:52am.

Use the following table to answer the questions. (Give your answers correct to two decimal places.)

x 1 1 3 3 5 5 7 7 9 9

y 3 2 6 1 3 3 3 2 5 3

(a) Find the equation of the line of best fit.

y hat = + x

(ii) Graph this equation on a scatter diagram. (Do this on paper. Your instructor may ask you to turn in this work.)

(b) Find the ordinates y hat for the points on the line of best fit whose abscissas are x = 1, 3, 5, 7, and 9.

1 Incorrect: Your answer is incorrect. .

3 Incorrect: Your answer is incorrect. .

5 Incorrect: Your answer is incorrect. .

7 Incorrect: Your answer is incorrect. .

9 Incorrect: Your answer is incorrect. .

(c) Find the value of e for each of the points above (e = y - y hat).

y e y e

3 Incorrect: Your answer is incorrect. . 3 Incorrect: Your answer is incorrect. .

2 Incorrect: Your answer is incorrect. . 3

6 Incorrect: Your answer is incorrect. . 2 Incorrect: Your answer is incorrect. .

1 5

3 3

(d) Find the variance se2 of those points about the line of best fit.

## Answer This Question

## Related Questions

- math - Consider the following bivariate data. Point A B C D E F G H I J x 3 4 2 ...
- statistics check - Consider the following bivariate data. Point A B C D E F G H ...
- math help - Can some one help me with this one??? Consider the following ...
- statistics - Consider the following bivariate data. Point A B C D E F G H I J x ...
- math - Consider the following bivariate data. Point A B C D E F G H I J x 3 4 2 ...
- Math - Use the following table to answer the questions. (Give your answers ...
- Math - What is the difference between "Give your answer correct to two decimal ...
- math - Consider the following set of data. (18, 12), (29, 48), (65, 29), (82, 24...
- Math/Statistics - Consider the following. P(A) = 0.27 and P(B) = 0.36, A and B ...
- Math/Statistics - Consider the following. P(A) = 0.27 and P(B) = 0.36, A and B ...

More Related Questions