3.A random sample of 20 retired Florida residents revealed they listened to the radio and average (mean) of 40 minutes per day with a standard deviation of 8.6 minutes. Develop a 95 percent confidence interval for the population mean listening time. (8 marks)

Find the equation of the line that goes through the points (4, –1) and (2, –5). use slope formula,equation,to find the slope of a line that passes through the points. m = use slope-intercept form, y = mx + b, to find the y-intercept (b) of the line. b = write the equation in slope-intercept form, y = mx + b.

Name the most appropriate metric unit for each measurement

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation