Which of the following scatterplots represents the data shown below? (1,26), (2,33), (3, 15),(4,4), (5, 30), (6,35), (7,9), (8, 35),
(9,11), (10,19), (11,17), (12, 13)

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

I'm confused on this could anyone me and show me what i need to do to solve it.

What is the difference between the equations of a vertical and a horizontal line?