Question

Consider the following set of sample data, and find the following (note: if you are using TI 83 to find these values, you need to write down the formulas that you should have used)

19	12	9	19	0	4	3	14	5	5	24	2
5	7	17

(a). Mean
(b). Median
(c). Mode
(d). Standard Deviation
(e). Variance
(f). Find the z-score for 14.
(i). Construct a Box-whisker plot for the data

(j). Construct a frequency distribution Table. Using 0 as the lower class limit of the first class and 5 as the class width. (You don’t have to calculate the class width, since its given here.)

(k). Construct a histogram. (use part (j))

(l). Determine if the data is skewed left, right or symmetric. (Use part (k))

Answer 1