Learning Task 3 Determine the slope of the line given two points. Show your solution. (2 points each)
1.(-2,4) (1,6)
2.(-3, -1) (5, -5)
3.(3,-3) (-4,2)
4.(-3,2) (2, 2)
5.(3,4) (3.-3)

Summary statistics given for independent simple random samples from two populations. use the pooled t-interval procedure to obtain specified confidence interval. x1=71.6, s1=3.9, n1=11, x2=67.9, s2=3.4, n2=9 determine a 99% confidence level.