Measures of central Tendency
Histograms
Box and Whisker plot
Challenge review
300
What is the Mode and the range of the following data.
52, -52, 3, 12, 3, 9, 63
Mode: 3
Range: 115
300
What interval has the least amount of students?
40-50
300
What is the median? (Q2)
Median: 85
300
Fill in the blank: How does the outlier affect the mean?
99, 64, 73, 85, 67, 22, 79
“The mean is skewed ____________ with the outlier”
Lower.
400
What is the Median and Mean of the following data.
LABEL which is which.
19, 37, 40, 42, 23, 13
Median: 30
Mean: 29
400
What is the bin width and number of bins?
Bin Width: 10
Bins: 6
400
What is the Upper Quartile? (Q3)
Upper Quartile: 63
400
Advanced Algebra had a donut eating contest! 2nd Period had 18 students whose mean was 7 donuts. 6th Period had 25 students whose mean was 10 donuts.
What is the mean of both classes? Round to the nearest hundredth.
8.74 donuts
500
Solve for the mean WITHOUT the outlier.
18, 20, 23, 6, 49, 11
Mean: 15.6
500
How many students scored 60% or higher?
136 students
500
What is the Interquartile Range (IQR)?
IQR: 9
500
Your first five science tests had an average of 78. If you want to get your test average to a 80, what must you score on the sixth science test?
90%