Mean Median Mode O My!!!
Find the mode of this data... 0 , 1 , 2 , 3, 4, 5, 6, 7, 8, 9, 10
no mode
List the four rules to prove two shapes are similar.
SSS, AAA, RHS, SAS
Which group would 150 go into?
140-<150
150-<160
160-<170
150-<160
In a data set, what number appears most often?
the mode
Find the median of the data... 14, 12, 10, 15, 18, 23, 19, 16
15.5
Scale Factor.
Each side of a triangle is 2cm.
A second triangle has sides of 20cm.
Calculate the scale factor.
20/2
Scale factor = 10
The place value that is always in the leaf of a stem and leaf plot?
ones
In a data set, what number is in the middle?
the median
Find the mean of the data...to the nearest tenth. 2, 10, 24, 6, 10, 12, 14, 18, 28
13.8
Outlier
The highest number in this stem and leaf plot.
Stem leaf
2 0035
3 146
4 44459
49
In a data set, what number represents the "average?"
the mean
What is the mode for the following data set: 30, 37, 33, 32, 38, 32, 36, 27, 2, 30, 34, 32
What is 32?
When every 3rd person is selected to complete a survey, is it called systematic sampling or stratified sampling?
Systematic sampling.
The median in this stem and leaf plot.
Stem Leaf
2 0035
3 146
4 44459
35
How can a graph be misleading?
The scale doesn't begin at zero.