Quiz Time (Mean, Median and Mode)
Quiz by Jonathan Guevara
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- Q1
What is the first thing you should do before determining the mean, median or mode of a data set?
put it in order from least to greatest or vice versa.
find the most frequent number.
identify the middle number.
add the numbers.
120s - Q2
In order to find the median, the data must be sorted from least to greatest first.
TRUE
FALSE
120s - Q3
Look at these numbers 12, 14,17, 8, 14. What is the correct way to put them in order so that you can find the median?
17, 14, 14, 8, 12
17, 14, 14, 12,8
14, 8, 12, 17, 14
8, 12, 14, 14, 17
120s - Q4
What is the term used to indicate the most frequent number that occurs in a data set?
mode
mean
median
range
120s - Q5
The mode score on the 6th grade math test was 94! Which of these interpretations must be correct?
No student scored 94.
More students received a 94 than any other score.
99 was the highest score on the test.
A score of 91 was slightly below average.
120s - Q6
The following are scores made on a math test 80, 90, 90, 85, 60, 70. What is the mode of these scores?
60
70
80
90
120s - Q7
When finding the median, what do you do if there are two middle numbers?
Pick one
Add them together and divide by 2
Give up
Write them both as the answer
120s - Q8
How do you find the mean or "average" of a set of data?
SUBTRACT all numbers, then MULTIPLY by how many numbers there are.
MULTIPLY all numbers, then SUBTRACT by how many numbers there are.
DIVIDE all numbers, then ADD by how many numbers there are.
ADD all the numbers together, then DIVIDE by how many numbers there are.
120s - Q9
Find the median of these numbers: 4,2,7,4, 3
4
3
7
2
120s - Q10
The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 1, 5, 2, 4, 3. What is the mean number of pages she wrote per day?
2
5
4
3
120s