Use the following data and determine the
se.
x y (y − ŷ)
5 47 4.090
7 38 -1.516
11 32 -0.728
12 27 -4.030
18 22 1.152
25 10 1.032
(Do not round the intermediate values. Round your
answer to 2 decimal places.)
se =

| Y | Ŷ |
![]() |
|
| 47 | 42.910 | 16.728 | |
| 38 | 39.516 | 2.298 | |
| 32 | 32.727 | 0.529 | |
| 27 | 31.030 | 16.244 | |
| 22 | 20.848 | 1.327 | |
| 10 | 8.968 | 1.064 | |
| Total | 176 | 176.000 | 38.191 |
n = 6
Standard Error of Estimate S = √ ( Σ (Y - Ŷ )2 / n - 2) = √(38.191 / 4) = 3.0899 ≈ 3.09
Use the following data and determine the se. x y (y − ŷ) 5 47 4.090...
Use the following data and determine the se. x y (y − ŷ) 5 49 4.538 9 38 0.657 11 32 -1.783 12 25 -7.003 19 22 2.456 25 10 1.135 (Do not round the intermediate values. Round your answer to 2 decimal places.)
se the following data and determine the se. x y (y − ŷ) 5 45 3.798 7 38 -0.214 11 32 -0.236 12 24 -6.742 21 22 4.708 25 10 -1.315
End of Section Problem 12.29 Use the following data and determine the se. х у 5 49 7 38 32 11 (-) 5.788 -1.986 -1.533 -5.920 4.599 -0.949 12 26 21 22 25 10 (Do not round the intermediate values. Round your answer to 2 decimal places.) Se
Test the slope of the regression line, ŷ = -46.292 + 15.240 x of the following data. Use α = .10 and se = 108.7. Advertising Sales 12.5 148 3.7 55 21.6 338 60.0 994 37.6 541 6.1 89 16.8 126 41.2 379 (Round the intermediate values to 3 decimal places. Round your answer to 2 decimal places.) Observed t= The decision is to
Determine the equation of the regression line for the following
data, and compute the residuals.
x
16
7
19
13
4
y
47
36
53
45
18
Do not round the intermediate values. (Round your
answers to 3 decimal places.)
y^=(______)+(________)x
Do not round the intermediate values. (Round your
answers to 3 decimal places.)
Find below's Residuals
x
y
Residuals
16
47
?
7
36
?
19
53
?
13
45
?
4
18
?
Consider the following sample data: x 32 23 18 36 13 40 35 24 y 31 37 34 60 25 45 43 38 Click here for the Excel Data File b. Calculate b1 and b0. What is the sample regression equation? (Round intermediate calculations to at least 4 decimal places and final answers to 2 decimal places.) yˆy^ + x c. Find the predicted value for y if x equals 11, 16, and 21. (Round intermediate coefficient values and final answers to...
Consider the following data for a dependent variable y and two independent variables, 21 and 22. 21 22 30 12 95 47 11 108 25 18 113 51 16 178 40 5 94 52 20 176 74 7 171 36 12 118 59 13 142 77 16 211 Round your all answers to two decimal places. Enter negative values as negative numbers, if necessary. a. Develop an estimated regression equation relating y to @i. + 31 Predict y if *1...
Sample Data Sample Data Hour Sample Taken Hour Sample Taken 1 4 5 X 1 3 1 42 2 3 4 5 6 2 39 36 25 60 28 53 22 56 41 34 43 45 59 42 36 40 45 39 48 26 42 34 61 48 45 29 3 31 61 38 40 54 26 38 42 37 41 53 37 47 41 37 29 20 26 43 38 33 37 37 35 33 36 41 25 37...
Test the slope of the regression line, ŷ = -46.292 + 15.240 x of the following data. Advertising Sales 12.5 148 3.7 55 21.6 338 60.0 994 37.6 541 6.1 89 16.8 126 41.2 379 (Round the intermediate values to 3 decimal places. Round your answer to 2 decimal places.) Observed t= The decision is to
Determine the value of the coefficient of correlation, r, for the following data. X 2 6 7 11 16 17 21 Y 18 15 13 8 7 7 6 (Round the intermediate values to 3 decimal places. Round your answer to 3 decimal places.) r =