Statistics Test Review

Find the mean of these numbers:
5,11,2,12,4,2

• 4.1
• 6
• 4.5
• 4

Find the median of these numbers:
4,2,7,4,3

• 2
• 5
• 7
• 4

If there is an even number of data in the data set how do you find the median?

• order the data and find the middle value
• order the data add the 2 middle values and divide by 2

The mode score on the 6th grade math test was 94! Which of these interpretations must be correct?

• 99 was the highest score on the test.
• More students received a 94 than any other score
• No student scored below a 50
• A score of 91 was slightly below average.

Find the mode:
5, 0, 9, 9, 3, 0, 5, 5, 4

• 9
• 5
• 3
• 7

How many students received a score of 94%? 

• 94
• 4
• 1
• 2

How many total students are in the science class?

• 13
• 6
• 27
• 25

What is the difference between the highest score and the lowest score on the test?

• 15
• 100
• 6
• 10

The mode is

• The middle score
•  Scores added & divided by the number of scores
• The most frequent score
• The middle when in order

What is the shape of the dot plot shown?

• skewed left

• skewed right

• symmetrical