What is the relationship between diamond price and carat size? 307 diamonds were sampled and a straight-line relationship was hypothesized between y = diamond price (in dollars)and x = size of
The diamond (in carats). The simple linear regression for the analysis is shown below: Least Squares Linear Regression of PRICE
Predictor

Which of the following conclusions is correct when testing to determine if the size of the diamond is a useful positive linear predictor of the price of a diamond?
A) There is insufficient evidence to indicate that the price of the diamond is a useful positive linear predictor of the size of a diamond when testing at $\alpha = 0.05$.
B) There is insufficient evidence to indicate that the size of the diamond is a useful positive linear predictor of the price of a diamond when testing at $\alpha = 0.05$.
C) The sample size is too small to make any conclusions regarding the regression line.
D) There is sufficient evidence to indicate that the size of the diamond is a useful positive linear predictor of the price of a diamond when testing at $\alpha = 0.05$.

Question

What is the relationship between diamond price and carat size? 307 diamonds were sampled and a straight-line relationship was hypothesized between y = diamond price (in dollars)and x = size of
The diamond (in carats). The simple linear regression for the analysis is shown below: Least Squares Linear Regression of PRICE
Predictor

Which of the following conclusions is correct when testing to determine if the size of the diamond is a useful positive linear predictor of the price of a diamond?
A) There is insufficient evidence to indicate that the price of the diamond is a useful positive linear predictor of the size of a diamond when testing at $\alpha = 0.05$. 
B) There is insufficient evidence to indicate that the size of the diamond is a useful positive linear predictor of the price of a diamond when testing at $\alpha = 0.05$. 
C) The sample size is too small to make any conclusions regarding the regression line. 
D) There is sufficient evidence to indicate that the size of the diamond is a useful positive linear predictor of the price of a diamond when testing at $\alpha = 0.05$.

Quizplus · Accepted Answer

The Answer of What is the relationship between diamond price and carat size? 307 diamonds were sampled and a straight-line relationship was hypothesized between y = diamond price (in dollars)and x = size of
The diamond (in carats). The simple linear regression for the analysis is shown below: Least Squares Linear Regression of PRICE
Predictor

Which of the following conclusions is correct when testing to determine if the size of the diamond is a useful positive linear predictor of the price of a diamond?
A) There is insufficient evidence to indicate that the price of the diamond is a useful positive linear predictor of the size of a diamond when testing at $\alpha = 0.05$. 
B) There is insufficient evidence to indicate that the size of the diamond is a useful positive linear predictor of the price of a diamond when testing at $\alpha = 0.05$. 
C) The sample size is too small to make any conclusions regarding the regression line. 
D) There is sufficient evidence to indicate that the size of the diamond is a useful positive linear predictor of the price of a diamond when testing at $\alpha = 0.05$.

What Is the Relationship Between Diamond Price and Carat Size α=0.05\alpha = 0.05α=0.05

What Is the Relationship Between Diamond Price and Carat Size $\alpha = 0.05$