The regression line, y = 23.4 -0.07x, passes the horizontal axis at 334.3 -0.07 O -23.4 0.07 23.4 O-334.3

Q: number of situps a person can do (y). The results of the regression were: y-ax+b a--1.091 b-33.551…

A: regression equation : y = ax + b y = -1.091x + 33.551

Q: Use this to predict the number of situps a person who watches 10.5 hours of TV can do (to one…

A:

Q: A regression was run to determine if there is a relationship between hours of TV watched per day (x)…

A: From the given information, y=a+bxb=-0.79a=23.38 Therefore, Y=23.38-0.79X

Q: A regression was run to determine if there is a relationship between hours of TV watched per day (x)…

A: From the provided information, The regression results are as follow: y = ax + b a = -1.093 b = 38.49…

Q: A regression was run to determine if there is a relationship between hours of TV watched per day, x,…

A: Formula Used: Simple linear regression: Y = aX + b                            {As given} Where, X is…

Q: A regression was run to determine if there is a relationship between hours of TV watched per day (x)…

A: Given, y=ax+bWhere,a=-0.626b=24.928r2=0.378225r=-0.615 Let x be the hours of TV watched per day and…

Q: A regression was run to determine if there is a relationship between hours of TV watched per day, I,…

A: Given  Y=ax+b  a=-1.246, b=29.886

Q: A regression was run to determine if there is a relationship between hours of TV watched per day, x,…

A: We have to find predicted value.

Q: A regression was run to determine if there is a relationship between hours of TV watched per day,…

A: We know the regression equation- y = a x + b Here y = Number of sit-ups x = TV watched per day b =…

Q: A regression was run to determine if there is a relationship between hours of TV watched per day, x,…

A: A regression was run to determine if there is a relationship between hours of TV watched per day,x,…

Q: Assume a regression model is y= -4.72+3.27. give a forecast of y when x= 25.62

A: Answer is in step 2

Q: The equation of regression line is Y = 1.2 + 0.546 x. Estimate the value of Y when X = 8?

A: Answer: Given that, The equation of a regression line is Y = 1.2 + 0.546 X

Q: f we performed a t-test, how many people would be in the study based on the regression model in…

A: Here simple linear regression output is given.The independent variable is weight.To find the number…

Q: A regression was run to determine if there is a relationship between hours of TV watched per day (x)…

A: Given information y = ax + b a = -0.865 b = 30.373 r2 = 0.7396 r = -0.86 Regression equation y =…

Q: A regression was run to determine if there is a relationship between hours of TV watched per day (x)…

A: Defined : The regression line: y =-0.904x+39.953

Q: A data set whose original x values ranged from 120 through 351 was used to generate a regression…

A: The predicted value of y when x=110 is 20.8 and it is obtained below: From the given information,…

Q: Use the regression equation = 12.36 + 4.745X to find the predicted value when x = 3.25

A:

Q: A regression was run to determine if there is a relationship between hours of TV watched per day (x)…

A: We have from the question,  Y=ax+b , a = -1.275 , b = 26.852 , X = 14 ,

Q: A regression was run to determine if there is a relationship between hours of TV watched per day (x)…

A: Given: Regression equation y=ax+b a=-0.656 b=36.681 when x=10 hours

Q: A regression was run to determine if there is a relationship between hours of TV watched per day, x,…

A: From the provided information, y = ax + b a = -0.901 and b = 21.855 Here x = Hours of TV watched per…

Q: Find the regression equation for the data in the table:     y = 2(0.5)x     y = 0.70x2 - 3.89x +…

A: In this question, concept of regression equation is applied. Regression A linear relationship…

Q: A regression was run to determine if there is a relationship between hours of study per week (z) and…

A:

Q: 25 25 28 21 20 25 26 30 35 36 49 51 59 42 49 53 55 63 67 75

A: We have given that data I want to find regression equation  Y = n + mx

Q: A regression was run to determine if there is a relationship between hours of TV watched per day (x)…

A: y = a+bx b = -0.89 a = 23.49 r2 = 0.6519 r = -0.8074

Q: A data set whose original x values ranged from 41 through 78 was used to generate a regression…

A: Given regression equation ŷ=5.3x – 21.9Predicting the value of y when x = 81Putting x = 81 in…

Q: A regression line was calculated as y = 9.7 - 3.2x. The slope of this line is -3.2. OTrue O False

A: The linear regression of Y on X is given by, Y=a+bXwhere,a=y-interceptb=slope of the…

Q: A regression was run to determine if there is a relationship between hours of study per week (x) and…

A: Given that

Q: he results of the regression were: y=ax+b a=-1.255 b=21.239 se this to predict the number of sit-ups…

A:

Q: A regression was run to determine if there is a relationship between hours of TV watched per day (x)…

A:

Q: A regression was run to determine if there is a relationship between hours of TV watched per day…

A: The value of a is -0.629 and the value of b is 39.045.

Q: A regression was run to determine if there is a relationship between hours of TV watched per day (x)…

A: