Finding the Range, Median and Mode from Line Plot or Stem and Leaf

At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode.
12,10,10,10,13,12,11,13,10

Find the median of these numbers:
4,2,7,4,3

To find the ______ you put all numbers in order from least to greatest and then take the largest number minus the smallest number.

To find the ________ you put all numbers in order from least to greatest and find the number that is in the middle.

What is the Mode of this data?

Find the Median?

What is the median age of the people at the party?

(a)  

Interpret the stem-and-leaf plot below and determine the number of data points in the 50s. Stem | Leaf ---- | ---- 4 | 2 5 7 5 | 1 3 6 8 6 | 0 2 4

Melvin walked more than 3 miles on

Given the data set: 4, 8, 6, 5, 3, 7, 9, 2, 5, 6. What is the median of the data set?