Stats - Correlation Coefficient and Line of Best Fit

Front

What would be the equation for the line of best fit? Options: y=3/4x+9, y=-1/2x+9, y=-3/4x-9, y=-3/4x+9

Back

y=-3/4x+9

Front

Estimate the correlation coefficient for this scatterplot.

Back

r = 0.89

Front

Describe the relationship between the variables.

Back

Moderate negative correlation

Front

Which colored line is the line of best fit? Options: A) Black, B) Orange, C) Red, D) Blue

Back

Orange

Front

What type of correlation does this graph show?

Back

none

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

What does the value, r= -0.89, tell us about the linear relationship of two quantitative variables?

Back

Strong negative

Front

Determine the correlation coefficient of the given data: Options: .9820, -.9643, 1.409, .6864

Back

.9820

Front

Which equation best represents the data in the table? Options: y = -13x + 143, y = 13x + 143, y = 143x + 13, y = .996x + .998

Back

y = 13x + 143

Front

What is the correlation coefficient for the data?

Back

.9984