Based on the below data what is the regression equation? a) 4 + 33X b) 33 * -1X c) -1 + 4X d) -1X + 4

Regression Statistics
Multiple R
R Square
Adjusted R Square
Standard Error
Observations	8

ANOVA
	df	SS	MS	F
Regression	1	33	33	33
Residual	6	11	1
Total	7

	Coefficients	Standard Error	t Stat	P-value
Intercept	-1	31.274666	3.984284	0.007248
Advertising (thousands of $)	4	6.19330674	1.610802	0.158349

Expert Solution

REGRESSION EQUATION = y = a + bX

y = Dependent variable, X = independent variable, b = slope , a = intercept

a = -1 , b = 4 [advertising]

so y = -1 + 4X

Answer : c : -1 + 4X [Thumbs up please]

jeff jeffy answered 2 years ago

Using R and the data in the table below, perform the regression of D on C...

Using R and the data in the table below, perform the regression of D on C (i.e., report the regression equation). C D 3 2 6 7 8 5 9 4 1 0 3 4 Hint: The code to enter the vectors C and D into R is: C <- c(3, 6, 8, 9, 1, 3) D <- c(2, 7, 5, 4, 0, 4) You must figure out how to obtain the regression equation from R. Enter the code below...

Consider the data set below. Excel File: data12-33.xls The estimated regression equation is ŷ = 30.33...

Consider the data set below. Excel File: data12-33.xls The estimated regression equation is ŷ = 30.33 - 1.88x. Estimate the standard deviation of ŷ p when x = 3 (to 3 decimals). Develop a 95% confidence interval for the expected value of y when x = 3 (to 2 decimals). ( , ) Estimate the standard deviation of an individual value of y when x = 3 (to 2 decimals). Develop a 95% prediction interval for y wh

For the data and sample regression equation shown below, complete parts (a) through (c). x 0...

For the data and sample regression equation shown below, complete parts (a) through (c). x 0 3 5 5 5 ModifyingAbove y with caret equals 4.500 minus 0.917 xy=4.500−0.917x y 4 3 0 −2 1 a. Determine the standard error of the estimate. b. Construct a residual plot. c. Construct a normal probability plot of the residuals. LOADING... Click the icon to view the table of normal scores.

Randomly pair 4 keys {a, b, c, d} with 3 locks {a, b, c}. What is...

Randomly pair 4 keys {a, b, c, d} with 3 locks {a, b, c}. What is P(at least one match)?

Consider the cross: A/a; b/b; C/c; D/d; E/e x A/a; B/b; c/c; D/d; e/e a) what...

Consider the cross: A/a; b/b; C/c; D/d; E/e x A/a; B/b; c/c; D/d; e/e a) what proportion of the progeny will phenotypically resemble the first parent? b) what proportion of the progeny will genotypically resemble neither parent?

Find the value of a : b : c : d, if a : b = 2 : 3, b : c = 4 : 5 and c : d = 6 : 7.

Homework 16: Complete the MRP chart below. A(1) B(2) C(4) D(1) LEGEND: A to F are...

Homework 16: Complete the MRP chart below. A(1) B(2) C(4) D(1) LEGEND: A to F are part numbers E(2) E(2) F(2) F(1) (n) is number of children needed for each parent Part A: Lead-time = 1 week OQ = LFL Safety Stock = 0 1 2 3 4 5 6 7 8 1. Gross Requirements 30 15 50 60 50 10 2. Scheduled Receipts 3. Projected On Hand 60 4. Net Requirements 5. Planned Order Receipt 6. Planned Order...

Question

Based on the below data what is the regression equation? a) 4 + 33X b) 33 * -1X c) -1 + 4X d) -1X + 4

Solutions

Expert Solution

Related Solutions