Can you calculate the mean using a histogram?
Is this a statistical question? What is the average weight of 11th grade students in America?
yes
Without calculating, which dot plot (SUVs or Cars) do you think would have a SMALLER mean absolute deviation (MAD)?
SUVs
What is a "bin" on a histogram?
The numbers on the bottom of the histogram, how you sort the data.
Is this a statistical question? What is the typical favorite sport of Redwood student?
Yes
What is the range of the SUVs and Cars gas mileage?
SUVs: 4
Cars: 6
If you were going to add the number 200 to this histogram, would it go in the 200-250 "bin" or would it go in the 150-200 "bin"?
200-250
The average number rolled in a dice game is 5. Calculate the mean absolute deviation for TV is his rolls were: 1, 5, 4, 6, and 3.
MAD = 1.6
Use the data to complete the histogram. How many people would go in the bin labeled 40 - 49?
4
(49 does not count and would go to the next bin)
Should a statistical question have one single answer?
No - it should have variety (variation)
What is the average grade for a student who's grades are: 13, 27.3, 69, 69, 23, 97.
49.7
Find the mean absolute deviation of the data set:
10, 12, 13, 11, 9, 17
Mean: 12
MAD: 2
Use the data to complete the TWO missing sections of the histogram.
1st bin: 5
2nd bin: 1