Show:
Statistical or Not
Mean, Median, Mode
Range and MAD
Histograms
100
Is this a statistical question? How many students are wearing Jordan's in this class?
No.
100
What is the mode? 1.06,9.3,59.59,6.01,25.17,1.06,6,1.06,0.7
1.06
100
what is the range 5 10 17 19 35.3 3 4 56 7 1.7
35.3 - 1.7 = 33.6
100

Can you calculate the mean using a histogram?

No
200

Is this a statistical question? What is the average weight of 11th grade students in America?

yes

200
What is the median? 93, 47, 37, 49, 25, 12, 13, 57
(37 + 47)/2 = 42
200

Without calculating, which dot plot (SUVs or Cars) do you think would have a SMALLER mean absolute deviation (MAD)?

SUVs

200

What is a "bin" on a histogram?

The numbers on the bottom of the histogram, how you sort the data. 

300

Is this a statistical question? What is the typical favorite sport of Redwood student?

Yes

300
What is the median? 103, 2, 23, 156.5, 105.5, 145
104.25
300

What is the range of the SUVs and Cars gas mileage? 

SUVs: 4

Cars: 6

300

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 


400
IS this a statistical question? Does the Watson Family watch TV?
no
400
Whats the mean? 1, 1, 2, 3, 4, 4, 5, 6, 7, 8
41/10 = 4.1
400

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

400

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) 

500

Should a statistical question have one single answer?

No - it should have variety (variation)

500

What is the average grade for a student who's grades are: 13, 27.3, 69, 69, 23, 97.

49.7

500

Find the mean absolute deviation of the data set: 

10, 12, 13, 11, 9, 17

Mean: 12

MAD: 2

500

Use the data to complete the TWO missing sections of the histogram. 

1st bin: 5

2nd bin: 1