Mean
Median
Random
Interquartile Range
Miscellaneous
100
How do you find mean?
Add all numbers together, and divide by the amount of factors
100
How do you find median?
Line up the data from least to greatest, then start crossing the greatest and lowest numbers on at a time until you get one or two numbers left. If you have two numbers, add the numbers together and divide by 2.
100
Find the mode, it's that simple of a question
Numbers: 4, 7, 6, 5, 10, 6, 21, 20
Mode: 6
100
Find the first and third quartiles: 1,3,4,6,7,9,10
Median is 6 so Q1=3 and Q3=9
100
What is the median?
15
200
In a basketball game, the number of baskets a team shot is:
Team 1: 2, 7, 3, 4, 2
Find the mean
Mean= 3.6
200
Students on a school field trip bought a souvenir
Money spent: $7, $3, $12, $13, $3.14
Find the median
Median: $7
200
What is the Q1
23,31,47,52,62,81,91
31
200
Find the median, Q1 and Q3: 2,4,6,7,9,11,14,17,19
Median is 9
Q1=5
Q3=15.5
200
what is the spread in this data?
6
300
A class chooses 7 students to take a survey, one question is "How many hours do you read at school?"
Results: 1, 4, 2, 1, 1, 3, 2
Answer: 2
300
The temperature this week is:
72, 77, 79, 83, 91, 98, 101
Find the Median
83
300
Find what's wrong with this answer and correct it:
Question: Find the mode- 1.9, 2, 3, 1.9, 3
Student's Answer: Mode= 1.9
They only chose one answer, correct answer would be 1.9, and 3
300
How do you find the IQR?
1) put the #s in order form least to greatest 2) find the median 3) find Q1 and Q3 4) subtract Q3 and Q1
300
What is the Q3
12,23,34,45,52,61,72
61
400
Which of the following choices is closest to the mean?
2, 7, 9, 13, 13, 14
a) 9.0 b) 8.6 c) 8.5 d) 9.7
d) 9.7
400
In art, the class drew pictures
Some drew: 3,2,1,0,3,8,1
find the median
2
400
Find the mode: 4,8,9,0,33,96,47,86,74,33
33
400
A family bought some food Costs:$14,$7,$20,$5,$25 What is the IQR?
16.5
400
Which statement correctly describes the relationship between the football teams.
A) The median goals for team 1 is less than the median goals for team 2.
B) The range of goals for team 1 is less than the range of goals for team 2.
C) The interquartile range of team 1 is greater than the interquartile range for team 2.
B
500
Weight of potatoes: 5oz, 10oz, 3oz, 9oz, 12oz, 11oz, 4oz, ?
Mean: 7oz
Find the missing weight of the potato.
2oz
500
# of brothers and sisters:
10,2,5,2,1,1,0,0,2,3,4,5,3,3
Find the median
2.5
500
How do you find the Q1 and Q3?
Once you find the median, the Q1 is the middle number of the numbers BEFORE the median. Q3 is the middle number of the numbers AFTER the median.
500
Find the IQR:
0,2,5,7,8,9,11,12,18,20,21
12
500
Are there any outliers in the following data set? Prove it with math! 19, 4, 20, 8, 19, 30, 2, 35
Median=7
2, 4, 8, 19, 19, 20, 30, 35
Q1=6 and Q3=25
IQR=25-6=19
Q1-1.5(IQR)=6-1.5(19)=-22.5
Q3+1.5(IQR)=25+1.5(19)=53.5
No, there are not any outliers!