Question

Data was collected on the amount of time that a random sample of 8 students spent studying for a test and the grades they earned on the test. A scatter plot and line of fit were created for the data.

Determine the equation of the line of fit.

y = 15x + 60
y = 15x + 30
y = 30x + 60
y = 30x + 30

Answer 1

To determine the equation of the line of fit, we need more information about the data and the line that was created. The equation of a line is typically represented as:

y = mx + b

Where:

y is the dependent variable (in this case, the grades earned on the test),

x is the independent variable (in this case, the amount of time spent studying),

m is the slope of the line, and

b is the y-intercept of the line.

Without additional information or the actual data points, it is not possible to determine the exact equation of the line of fit. The provided options (y = 15x + 60, y = 15x + 30, y = 30x + 60, y = 30x + 30) represent different possible equations based on the given information. However, without further context or calculation, it is not possible to determine which equation is correct.

Answer 2

Y=30x + 60

Explanation:

Because most of the students time of doing a test is 90 minutes and 15x isn't the answer so, anything with 15x is not the answer.