Answer only 6-8

l) a) What are the four basic components of collecting and analyzing data? b) What is the difference between a bar graph and a histogram? (2) Given the following test scores: 69, 71, 75, 75, 79, 82, 84, 85, 83, 90, 92, 94 I) Find the mean 2) Find the median 3) Find the mode 4) Find the range 5) Find the midrange 6} Draw a stem and leaf plot of the data 7) Draw a box and whisker plot of the data 8) What is the interquartile range