Grade 6 Statistics & Probability Review (Grade 6)
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Grade 6 Statistics & Probability Review
1.
The city tracked the amount of waste that was recycled from 2000 to 2007. "In which year was the least amount recycled?" is a good example of a statistical question about the situation.
- True
- False
2.
Select each question that represents a statistical question.
Select ALL that apply.
Select ALL that apply.
- How many days are in the month of May?
- What grade did you earn on your math test?
- What time do sixth students arrive at school?
- What percentage of students play an instrument?
- What was the average math test grade for the class?
3.
What is the shape of the data shown on the bar graph?

- symmetrical
- not symmetrical
4.
Which term best describes the data represented by the number 7 on the line plot?

- gap
- peak
- cluster
5.
Which is a measure of center for a data set?
- mean
- interquartile range
6.
The difference between the largest and smallest numbers in a set of data is called the
- mean.
- mode.
- range.
- median.
7.
Which line plot correctly shows the listed data?
[math]7, 2, 5, 9, 7, 1, 3, 5, 2, 7, 2, 9, 1, 7, 7 [/math]
[math]7, 2, 5, 9, 7, 1, 3, 5, 2, 7, 2, 9, 1, 7, 7 [/math]
8.
The graph shows student quiz scores, in percentages (%), on a vocabulary quiz. How many students, in all, took the quiz?

- 26
- 28
- 76
- 100
9.
The graph shows student quiz scores, in percentages (%), on a biology quiz. How many students scored at least 91%?

- 8
- 9
- 10
- 11
10.
A math teacher records student test scores. The box plot shows the results.

What is the range?

What is the range?
- 20 points
- 30 points
- 40 points
- 60 points
11.
The box plots compare employee salaries, in thousands of dollars, at two companies.

What percent of employees at company B earn $24,000 or less?

What percent of employees at company B earn $24,000 or less?
- 0%
- 25%
- 50%
- 75%
- 100%
12.
The line plot shows the number of pets that live in each house on Water Street. How many houses are there on Water Street?

- 0
- 6
- 10
- 15
13.

The graph shows the distances students live from Union School. About how many students attend the school?
- 250
- 290
- 340
- 380
14.
Bart is collecting data on sunflower growth. He records the height, in inches, of his sunflower each day. Which best describes the type of data Bart is collecting?
- numerical data
- categorical data
15.
The test results on a math exam were: 77, 66, 70, 83, 88, 64, 93 and 99.
What is the median test score?
What is the median test score?
- 70
- 82
- 86
- 80
16.
Consider the list of golf scores:
71, 68, 72, 79, 80, 77, 84, 70, 92
What is a median, mean, and range for the set?
71, 68, 72, 79, 80, 77, 84, 70, 92
What is a median, mean, and range for the set?
- median=77, mean=77, range=24
- median=80, mean=78, range=22
- median=81, mean=77, range=23
17.
For this set of data: 5, 5, 6, 7, 7, which statement is true?
- mean = mode
- median = mode
- mean = median
- mean < median
18.
Find the range and the first and third quartiles for the data set.
26, 27, 73, 78, 57, 46, 90
26, 27, 73, 78, 57, 46, 90
- Range = 64 First quartile = 27 Third quartile = 78
- Range = 90 First quartile = 57 Third quartile = 78
- Range = 57 First quartile = 27 Third quartile = 78
- Range = 64 First quartile = 78 Third quartile = 27
19.
Which statement is true for the data shown on the line plots?
Line Plot A:
Line Plot B:
Line Plot A:


- Both line plots have the same mode.
- Both line plots have the same range.
- Both line plots have the same mean.
- Both line plots have the same median.
20.
Sophie's softball coach records the number of runs earned by each player over the course of a season on the line plot shown.

Which is the better measure of center for the data?

Which is the better measure of center for the data?
- mean
- median
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