Mean
Median
Range
Quartiles
STAAR
100
What are the steps to finding the mean?
1. Order from least to greatest.
2. Add the numbers
3. Divide the total by the number of numbers you added together.
100
What are the steps to find the Median?
1. Put them in order from least to greatest
2. Locate the number in the middle
3. If there are two numbers in the middle, find the mean of the two numbers.
100
What are the steps to finding the Range?
1. List the numbers from least to greatest
2. Find the difference between the greatest and the least number
100
What are the steps to finding the interquartile range? The IQR.
Find the difference between Q3 and Q1.
100
Select all the numbers that are prime.
17, 2, 13, 5
Triple Points
How many factors does a prime number have?
2, 5, 13, 17
All of them
200
Debbie is e-mailing some photographs from her computer. The 6 pictures have file sizes of:
2 MB 3 MB 1 MB 2 MB 3 MB 1 MB
What is the mean file size?
2 MB
200
Troy weeded the neighbors' gardens all summer. The 7 neighbors paid:
$4.00 $6.00 $8.00 $5.00 $2.00 $3.00 $5.00
What was the median amount paid?
$5.00
200
Joey started a dog-walking business, charging different rates for 5 clients based on dog size and behavior. The rates were:
$6.00 $5.00 $8.00 $9.00 $5.00
What was the range of the rates charged?
What is the mode?
$4.00
200
Fit Challenges organized an obstacle course for adults. They tracked the time of each finisher.
What is the interquartile range? (IQR)
40
200
What is the prime factorization of 9?
3 x 3
300
The students in Ms. Blackburn's after-school science program are graphing their ages. There are 8 students in the class and their ages are:
8, 8, 8, 8, 8, 8, 8
What is the mean age of the students?
8
300
What is the median?
5, 0, 9, 6, 3, 6, 0, 1, 2
3
300
In preparation for a move across town, Rafi packed 7 boxes weighing:
6 pounds 9 pounds 8 pounds 5 pounds 7 pounds
7 pounds 5 pounds
What was the range of the weights of the boxes?
4
300
The Creekview History Museum kept track of how many people visited the museum each day last month. This box plot shows the results.
What was the upper quartile of the number of museum visitors?
350
300
Put these numbers in order from least to
greatest.
400
What is the mean?
0, 8, 3, 8, 1, 5, 7, 0, 4
4
400
Ms. Finley sorted the votes received by each of the 5 student council candidates into separate piles. The piles contained:
6 votes, 5 votes, 6 votes, 7 votes, 4 votes
What was the median number of votes received?
6 votes
400
What is the range?
8, 8, 2, 2, 8, 8, 6, 8
6
400
Coach Jackson measured the height of each player on the Springfield Middle School volleyball team.
What is the lower quartile of the players' height?
56
400
Which of the following is both an integer and a whole number?
69
500
What is the mean? If the answer is a decimal, round it to the nearest tenth.
40, 46, 44, 46, 48, 47, 50, 51, 42
46
500
What is the median?
0, 3, 3, 7, 5, 2, 7
3
500
What is the range?
4,130 1,762, 3,862 8,570 3,332 6,540 2,589
6,808
500
The sixth-grade students at Jefferson Middle School took a survey for health class. As part of the survey, they were asked to record how long they spent brushing their teeth before school one morning. This box plot shows the results.
What percent of the students spent 60 seconds or longer brushing their teeth?
75%
500
Answer must be a mixed number in simplest form.
1 1/9