Find an equation of the line such that the points (2/5,5) and (-2/5,4) are on the line.

Julia measured the high temperature in her town for one week. using the chart above, find the mean absolute deviation for the high temperatures. round your answer to the nearest tenth. be sure to show your work for finding: the mean of the set of data the distance of each number from the mean the mean absolute deviation

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?