Vocabulary
Measures
Variations
Graphs and Plots
5 Number Summary
100
the middle number of the data set
MEDIAN
100
Explain how to find the range of a data set.
Subtract the maximum by the minimum
100
What is the range of the data set: 8,6,9,3,12,4,2? Explain how!
10; Max - min; 12-2
100
Where can the Interquartile Range be found?
Between Quartile 1 and 3. Also includes the median.
100
What is the minimum and maximum of the data set below? (1,1,2,2,2,3,4,6,7,7,7,8,8,9,9,9)
1 and 9.
200
The difference between the 1st and 3rd quartile.
Interquartile Range
200
Explain how to find the median of a data set.
Locate the middle number of the data set.
200
What is the mode of these numbers: 1, 2, 3, 4, 5, 6, 17, 18, 29
NONE / NO MODE
200
What is the median and range of the data set? Explain your answer.
Median = 18 ; number in the middle of IQR
Range = 13 ; subtract max (25) - minimum (12)
200
What is the mode of the data below?
(1,1,2,2,2,3,4,6,7,7,7,8,8,9,9,9,9)
9
300
The number that occurs most frequently in a data set
MODE
300
Explain how to find the mode of a number set.
Find the number that repeats the most.
300
What is the IQR (Interquartile Range) of the following box plot:
Minimum-7 / Q1-9 / Median- 14 / Q3-17 / Max-23
8; Finding difference in Q3 - Q1 = 17-9
300
How would you describe this data set and what is the median? (Hint: symmetrical or skewed)
SYMMETRICAL; data mirrors itself from the left and right.
Median is 2.
300
What is the 3Q of the data below?
(1,1,2,2,2,3,4,6,7,7,7,8,8,9,9,9)
8
400
highest and lowest values in a data set are called.... (2 words)
minimum and maximum
400
Find the mean, median and mode of these numbers: 21, 23, 24, 24, 25, 26
Mean:23.83 Median:24 Mode: 24
400
What is the median of this set of numbers: 1, 3, 4, 6, 17, 18, 19, 19, 20, 21
17.5
400
There are 250 6th grade students. Use the graph to determine about how many students participated in FOOTBALL. Explain your answer.
62.5 or 63; Divide 250 by 25, then multiply 25 times 2.5.
400
What is the 1Q and 3Q of the data set below? (1,1,2,2,2,3,4,6,7,7,7,8,8,9,9,9)
2 and 8
500
The AVERAGE of a data set
MEAN
500
Survey was done on the number of couches in a home: 3,3,2,4,3,7,6. Calculate the MEAN and explain how to find it.
4; HOW? All the numbers add up to 28...then divide by 7.
500
What is the IQR (Interquartile Range) of the following box plot:
Minimum-5 / Q1-9 / Median- 18 / Q3-22 / Max-30
Explain how!
13; Subtract quartile 3 (22) - quartile 1 (9) = 13
500
There are 250 6th grade students. Use the graph to determine about how many students participated in Badminton and Hockey COMBINED. Explain your answer.
30 (# for Badminton) plus 12.5 (# for hockey) = 42.5 or 43 combined.
500
What is mean of the data below? (1,1,2,2,2,3,4,6,7,7,7,8,8,9,9,9)
(Answer will be a decimal)
5.3125