Median
Mean
Mode
Range
Samples and distribution
100
What are the steps for finding the median?
1. Order your numbers from least to greatest.
2. Find the number in the middle.
(If there are two numbers in the middle, add them and divide by 2.)
100
How do you find the mean of a set of data?
1. Add all of your numbers.
2. Divide by the number of numbers.
(MAD)
100
What is the definition of mode?
The number that occurs the most.
100
What is the definition of range and how do you find the range of a set of data?
Range is the spread of the data.
The biggest number, subtract the smallest numbers.
100
Is a survey that asks every person a census or a sample?
Census
200
What is the median of the numbers below?
4, 11, 17, 25, 29, 30, 54, 62, 72
29
200
What is the mean of the numbers below?
1, 4, 5, 13, 4, 15
7
200
What is/are the mode(s) in the dot plot below?
10
200
What is the range of the numbers below?
39
200
True or False:
A sample is faster to conduct than a census.
True
300
What is the median of the numbers below?
14, 12, 17, 11, 10, 17
13
300
What is the mean of the numbers below?
20, 18, 22, 14, 10, 12
16
300
What is/are the mode(s) of the numbers below?
5, 28, 16, 32, 5, 16, 48, 29, 5, 35, 28
5
300
What is the range of the numbers below?
628, 45, 639, 38, 527, 937, 723, 45
899
300
To find the favourite sport at Keebra, ten girls from the basketball team are asked. What's wrong with this survey?
The data will be bias because the students are more likely to select basketball.
400
What is the median of the numbers below?
72.5
400
Mean, median, and mode are measures of ____________.
Centre
400
What is/are the mode(s) of the numbers below?
78, 43, 98, 78, 54, 11, 78, 43, 99, 11, 43
43 and 78
400
What is the range of the numbers below?
34.6, 78.9, 99, 12.5, 87, 15.1, 12.5, 30, 78.9
86.5
400
Draw a positively skewed histogram
Tall columns on the left and a tail on the right.