Wk21Day3 Analyze Line of Best Fit Eqtns 11-3a

Front

What is the meaning of -2.8 in the equation y = -2.8x + 40 in terms of a car's fuel efficiency?

Back

The car’s fuel efficiency decreases by about 2.8 mpg each year.

Front

What is the meaning of 40 in the linear equation y = -2.8x + 40 in terms of the car's fuel efficiency context?

Back

The car started with about 40 mpg when it was new.

Front

What is the meaning of 12.42 in the equation y = 12.42x + 5 in the context of Nintendo stock price over 6 years?

Back

The stock price increased by about $12.42 each month.

Front

Meaning of 5 in the equation y = 12.42x + 5 for Nintendo stock price over 6 years.

Back

The stock cost about $5 before the data starts.

Front

What type of association does this graph have? Options: positive, negative, none, all of the above

Back

negative

Front

What type of association does this graph show? Options: Positive, negative, none, all of the above

Back

none

Front

Which Line of Best Fit could be used for this data?

Back

Front

Which line represents the line of best fit for the scatter plot? Options: A, B, C, D

Back

C

Front

Which sentence describes the relationship shown on this scatter plot? Options: As the temperature decreases, the visitors increase. , As the temperature increases, the number of visitors increases. , As the visitors increase, the temperature decreases. , No correlation

Back

As the temperature increases, the number of visitors increases. 

Front

Select the statement that best describes the line: The line is the line of best fit., The line is NOT a line of best fit because it does not pass through two points., The line is NOT a line of best fit because it does not go through the middle of the data set., The line is NOT a line of best fit because it does not go through the origin.

Back

The line is NOT a line of best fit because it does not go through the middle of the data set.