In a trendline based on four observations, if the average of Y is 80 and the...
In a trendline based on four observations, if the average of Y is 80 and the slope of the line is 20 then the intercept is:
A.30
B.40
C.50.
D.60
Homework Answers
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In a trendline based on four observations, if the average of Y
is 80 and the...
In a trendline based on four observations, if he average of Y is 80 and the...
In a trendline based on four observations, if he average of Y is 80 and the slope of the line is 24 then the intercept is : A. 20 B. 30 C.40 D. None of the above.
In a trendline based on five observations, if the average of Y is 100 and the...
In a trendline based on five observations, if the average of Y is 100 and the slope of the line is 24 then the intercept is: A. 28 B. 30 C. 32. D. None of the above.
In a trendline based on five observations, if the average of Y is 100 and the...
In a trendline based on five observations, if the average of Y is 100 and the slope is 14 then the intercept is A. 52 B. 54 C. 56 D. 58
and y Given are five observations for two variables, 7 20 17 13 29 13 48 52 58 a. Choose the correct scatter diagram f...
and y Given are five observations for two variables, 7 20 17 13 29 13 48 52 58 a. Choose the correct scatter diagram for these data: B. 60- 60 50- 50 40 30- 30 20- 20 10- 10 40 60 x 50 30 60 v 20 10 4C 50 30 10 D C y y 60- 60 50- 50 40- 40 30- 30 60+ 60+ 50- 50- 40+ 40- 30+ 30- 20+ 20+ 10+ 10 10 20 30 40...
determine the y intercept Determine the y-intercept of each function based on the inputs and outputs...
determine the y intercept
Determine the y-intercept of each function based on the inputs and outputs presented in the of values. 1 100 40 50 TO - NM 60 70 80 80 90 CUNY Start Core Mall material under copyright, 2012
Procedure Use the following sets of data and work with each one. The equation for a...
Procedure Use the following sets of data and work with each one. The equation for a linear graph is y mx+b, where m is the slope and b is the y-intercept. DATA SET 1: Fahrenheit-vs- Celsius Fahrenheit Celsius 32 68 104 140 176 0 20 40 60 80 1. Using Data Set 1 above, graph Fahrenheit (y) -vs- Celsius (x), using the scatterplot function in excel, or another graphing software. Make sure you label the axes. Fahrenheit should be on...
#2 between two quantities can be established. Procedure: Use the following sets of data and work...
#2
between two quantities can be established. Procedure: Use the following sets of data and work with each one. The equation for a linear graph is y mx+b, where m is the slope and b is the y-intercept DATA SET 1: Fahrenheit-vs-Celsius Fahrenheit Celsius 32 68 104 140 176 0 20 40 60 80 1. Using Data Set 1 above, graph Fahrenheit (y)-vs- Celsius (x), using the scatterplot function in excel, or another graphing software. Make sure you label the...
Complete parts (a) through (h) for the data below. x- 40, 50, 60, 70, 80 y-62,...
Complete parts (a) through (h) for the data below. x- 40, 50, 60, 70, 80 y-62, 58, 55, 47, 33 B) Find the equation of the line containing the points (50, 58) and (80, 33) y=__x+(__) D) By hand, determine the least-squares regression line The equation of the least-squares regression line is given by ModifyingAbove y with caret equals b 1 x plus b 0y=b1x+b0 where b1 equals r times StartFraction s Subscript y Over s Subscript x EndFractionb1=r•sysx is...
Q2. Consider all observations as one sample of X (1st column) and Y (2nd column) values....
Q2. Consider all observations as one sample of X (1st column) and Y (2nd column) values. Answer the following questions: (20 points) 78 4.4 74 3.9 68 4 76 4 80 3.5 84 4.1 50 2.3 93 4.7 55 1.7 76 4.9 58 1.7 74 4.6 75 3.4 80 4.3 56 1.7 80 3.9 69 3.7 57 3.1 90 4 42 1.8 91 4.1 51 1.8 a) Calculate the correlation coefficient r (5 points) b) Fit the regression model (predicting...
A scientist collected 12 observations on (X, Y), and got the following results: X; = 60,...
A scientist collected 12 observations on (X, Y), and got the following results: X; = 60, vi = 42, xi yi = 102, Sxx 90. = wut What is the y-intercept of the regression line for these data? (a) 6.5 (b) 7.5 (c) 8.5 (d) 9.5 (e) 10.5
and y Given are five observations for two variables, 7 20 17 13 29 13 48 52 58 a. Choose the correct scatter diagram for these data: B. 60- 60 50- 50 40 30- 30 20- 20 10- 10 40 60 x 50 30 60 v 20 10 4C 50 30 10 D C y y 60- 60 50- 50 40- 40 30- 30 60+ 60+ 50- 50- 40+ 40- 30+ 30- 20+ 20+ 10+ 10 10 20 30 40...
determine the y intercept
Determine the y-intercept of each function based on the inputs and outputs presented in the of values. 1 100 40 50 TO - NM 60 70 80 80 90 CUNY Start Core Mall material under copyright, 2012
Procedure Use the following sets of data and work with each one. The equation for a linear graph is y mx+b, where m is the slope and b is the y-intercept. DATA SET 1: Fahrenheit-vs- Celsius Fahrenheit Celsius 32 68 104 140 176 0 20 40 60 80 1. Using Data Set 1 above, graph Fahrenheit (y) -vs- Celsius (x), using the scatterplot function in excel, or another graphing software. Make sure you label the axes. Fahrenheit should be on...
#2
between two quantities can be established. Procedure: Use the following sets of data and work with each one. The equation for a linear graph is y mx+b, where m is the slope and b is the y-intercept DATA SET 1: Fahrenheit-vs-Celsius Fahrenheit Celsius 32 68 104 140 176 0 20 40 60 80 1. Using Data Set 1 above, graph Fahrenheit (y)-vs- Celsius (x), using the scatterplot function in excel, or another graphing software. Make sure you label the...
A scientist collected 12 observations on (X, Y), and got the following results: X; = 60, vi = 42, xi yi = 102, Sxx 90. = wut What is the y-intercept of the regression line for these data? (a) 6.5 (b) 7.5 (c) 8.5 (d) 9.5 (e) 10.5
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