Homework Answers
If the correlation coefficient is negative which is the case here, the dependent variable and the independent variable will have a neagative correlation between them implyng
If the value of the independent variable is increased, the value of dependent variable decreases
If the value of the independent variable is decreased, the value of dependent variable increases
So the Asnwer is The dependent variable will decrease as the independent variable increases
So Asnwer is option A
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8) Suppose the correlation coefficient between two variables is -0.897. Does the dependent variable increase or...
The following information regarding a dependent variable (Y in $1000) and an independent variable (X) is...
The following information
regarding a dependent variable (Y in $1000) and an independent
variable (X) is provided.
Y
Dependent Variable
15
17
23
17
I. The least-squares estimate of the slope
equals:
II. The least-squares estimate of the intercept
equals:
III. If the independent variable increases by 2
units, the dependent variable is expected to
a. decrease by $300
b. decrease by $3000
c. decrease by $3
d. decrease by $2
e. none of the above
The letter corresponding...
The following information regarding a dependent variable (Y in $1000) and an independent variable (X) is...
The following information regarding a dependent variable (Y in
$1000) and an independent variable (X) is provided.
Y
Dependent Variable
15
17
23
17
I. The least-squares estimate of the slope
equals:
II. The least-squares estimate of the intercept
equals:
III. If the independent variable increases by 2
units, the dependent variable is expected to
a. decrease by $300
b. decrease by $3000
c. decrease by $3
d. decrease by $2
e. none of the above
The letter corresponding...
13 the following tabe show the correlation coefficient between housing sold the dependent variable in a...
13 the following tabe show the correlation coefficient between housing sold the dependent variable in a regression and the three independent variables: Permit price and employment SOLD PERMIT PRICE FMP SOLD 0779 0.274 -0.295 PERMIT 07291 -047005430 PRICE 0274 0.470 1 0 .906 EMP 0295 -0.543 0.906 1 Choose one of the following answers Multiple Choice The high c on b ons and what is muti n this regression The high correlation between price and employment shows that there is...
Suppose that two variables, x and y, have a correlation coefficient of 0.27. Which of the...
Suppose that two variables, x and y, have a correlation coefficient of 0.27. Which of the following statements are true? You must make a selection for each option. Click once to place a check mark for correct answers and click twice to empty the box for the wrong answers. The variables have a positive linear relationship. There is a weak relationship between these two variables. There is a strong relationship between these two variables As xincreases, y decreases. As x...
22. The coefficient of determination explains the relationship between two variables the proportion of variance in...
22. The coefficient of determination explains the relationship between two variables the proportion of variance in one variable accounted for by another variable and vice versa the cause–effect relationship between two variables all of the above 23. The ____________ assumption is met if, in a scatterplot, the distance from the points to the line is relatively equal all along the line. a. homoscedasticity b. linearity c. curvilinearity d. heterolinearity 24. The strength of a relationship between two variables in correlation...
QUESTION 6 Suppose the correlation coefficient between two variables is found to be -0.94. Which of...
QUESTION 6 Suppose the correlation coefficient between two variables is found to be -0.94. Which of the following statements are true? there is a strong tendency for small values of one variable to be associated with large values of the other variable there is a weak negative relationship between the variables a scatter plot of the data points would show a clear downward trend there is a strong tendency for low values of one variable to be paired with low...
If correlation coefficient between two random variables is zero, then it can be certain that they...
If correlation coefficient between two random variables is zero, then it can be certain that they are also independent True False
In a simple linear regression study between two variables x ( the independent variable) and y...
In a simple linear regression study between two variables x ( the independent variable) and y (the dependent variable), a random large sample is collected and the coefficient of correlation r = −.98 is calculated. A)Which of the following conclusion may be made? Group of answer choices x and y are almost perfectly correlated, and y increases as x is increased. x and y are almost perfectly correlated, and y decreases as x is increased. x and y are moderately...
The equation of the regression line between two variables x (independent variable) and y (dependent variable)...
The equation of the regression line between two variables x (independent variable) and y (dependent variable) is given by y-hat = -3x + 2; and the correlation coefficient is r = -.95. The possible x-values range from 1 to 10. Which of the following statements are correct? I. The variable y is strongly positive correlated to the variable x. II. The variable y is strongly negative correlated to the variable x. III. If x = 5, one would predict that...
If the correlation coefficient between two variables is 0.5 and the standard deviation of the variables...
If the correlation coefficient between two variables is 0.5 and the standard deviation of the variables is 5 and 10, respectively, then the sample covariance is approximately ... a. 25 b. 50 c. 250 d. Impossible to determine with any level of accuracy.
The following information
regarding a dependent variable (Y in $1000) and an independent
variable (X) is provided.
Y
Dependent Variable
15
17
23
17
I. The least-squares estimate of the slope
equals:
II. The least-squares estimate of the intercept
equals:
III. If the independent variable increases by 2
units, the dependent variable is expected to
a. decrease by $300
b. decrease by $3000
c. decrease by $3
d. decrease by $2
e. none of the above
The letter corresponding...
The following information regarding a dependent variable (Y in
$1000) and an independent variable (X) is provided.
Y
Dependent Variable
15
17
23
17
I. The least-squares estimate of the slope
equals:
II. The least-squares estimate of the intercept
equals:
III. If the independent variable increases by 2
units, the dependent variable is expected to
a. decrease by $300
b. decrease by $3000
c. decrease by $3
d. decrease by $2
e. none of the above
The letter corresponding...
13 the following tabe show the correlation coefficient between housing sold the dependent variable in a regression and the three independent variables: Permit price and employment SOLD PERMIT PRICE FMP SOLD 0779 0.274 -0.295 PERMIT 07291 -047005430 PRICE 0274 0.470 1 0 .906 EMP 0295 -0.543 0.906 1 Choose one of the following answers Multiple Choice The high c on b ons and what is muti n this regression The high correlation between price and employment shows that there is...
Suppose that two variables, x and y, have a correlation coefficient of 0.27. Which of the following statements are true? You must make a selection for each option. Click once to place a check mark for correct answers and click twice to empty the box for the wrong answers. The variables have a positive linear relationship. There is a weak relationship between these two variables. There is a strong relationship between these two variables As xincreases, y decreases. As x...
QUESTION 6 Suppose the correlation coefficient between two variables is found to be -0.94. Which of the following statements are true? there is a strong tendency for small values of one variable to be associated with large values of the other variable there is a weak negative relationship between the variables a scatter plot of the data points would show a clear downward trend there is a strong tendency for low values of one variable to be paired with low...
If correlation coefficient between two random variables is zero, then it can be certain that they are also independent True False
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