Strength of Correlation — Unit test Answers

What is the slope of a line that is perpendicular to the line x = –3?

The table shows the average number of hours of daylight per day for the last four months of the year.

A graph shows the horizontal axis numbered 1 to 5 and the vertical axis numbered 1 to 5. Points and a line show a downward trend.

The table shows the height, in meters, of an object that is dropped as time passes until the object hits the ground.A line of best fit for the data is represented by h = –21.962x + 114.655. Which statement compares the line of best fit with the actual data given by the table?

Which best describes the strength of the model with an r-value of –0.93?

The table shows the shoe sizes of women of different ages.

The graph shows the relationship between the price of frozen yogurt and the number of ounces of frozen yogurt sold at different stores and restaurants.

A line of best fit is drawn for the set of points shown on the graph.