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Quiz - Statistics

Last updated over 4 years ago

12 questions

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Question 1

1.

Which statement is true about the data
3, 4, 5, 6, 7, 7, 10 ?

mean = median

mean = mode

mean < median

mean > mode

Question 2

2.

What is the value of the third quartile shown on this box plot?

8.5

6

12

10

Question 3

3.

The 8th Grade Class held a canned food drive for 12 weeks. The results are summarized in the table.

Which number represents the second quartile of the number of cans of food collected?

29.5

40

30.5

60

Question 4

4.

The 8th Grade Class held a canned food drive for 12 weeks. The results are summarized in the table.

What is the population standard deviation of the data shown?

30.5

40

29.5

60

Question 5

5.

This dot plot shows the ages of children at a town playground.
Which of the following is NOT true about the dot plot?

The range of the ages is 7 years old.

The median age and the mode of the ages is 7 years old.

The first quartile is 2 years old.

The mean is 5.96 years old.

Question 6

6.

This box plot represents the results of test scores in a math class.
What do the scores 65, 85, and 100 represent?

Q 1 , median , Q 3

median , Q 1 , maximum

minimum , median , maximum

Q 1 , Q 3 , maximum

Question 7

7.

Using his data on annual deer population in a forest, Noj found the following information:

25th Percentile: 12
50th Percentile: 15
75th Percentile: 22
Minimum Population: 8
Maximum Population: 27

Using the number line provided, construct a box plot to display these data.

What is the interquartile range of the data?

Question 8

8.

The prices of seven race cars sold last week are listed in the table.

What is the mean price, in dollars, of the cars sold (rounded to the nearest dollar)?

Question 9

9.

The prices of seven race cars sold last week are listed in the table.

What is the median price, in dollars, of the cars sold?

Question 10

10.

The prices of seven race cars sold last week are listed in the table.

Which measure of central tendency is the most appropriate for this data?

Question 11

11.

Noah conducted a survey on sports participation. He created the following two dot plots to represent the number of students participating, by age, in soccer and basketball.

Which statement about the given data sets is correct?

The data for basketball players have a greater mean than the data for soccer players.

The data for soccer players are skewed right.

The data for basketball players have the same median as the data for soccer players.

The data for soccer players have less spread than the data for basketball players.

Question 12

12.

The two sets of data below represent the number of runs scored by two different youth baseball teams over the course of a season.

Team A: 4, 8, 5, 12, 3, 9, 5, 2
Team B: 5, 9, 11, 4, 6, 11, 2, 7

Which set of statements about the mean and standard deviation is true?

mean A > mean B     &     standard deviation A > standard deviation B

mean A < mean B     &     standard deviation A < standard deviation B

mean A < mean B     &     standard deviation A > standard deviation B

mean A > mean B     &     standard deviation A < standard deviation B