Mean, median, mode, minimum..etc

Question

consider the following dataset (3,3,3,3,4,4,4,4,5,6,6,6,8,8,9,10,11,12,13)(I already put it in order). Find:

a. Mode, median, mean

b. The minimum, maximum, three quartiles, IQR, variance, and standard deviation

c. draw a box and whisker plot for the data.

 

I already answered the questions, i just want to see if i AM Correct.

Answer 1

n= 19, so median is the middle (tenth datum), namely 6.

 

Add up all values & divide by 19 to get mean.

 

Modes: 3 4 (bimodal)

 

Either use a calculator for the rest, or do the calculations manually.