Data & Statistics QUIZ

If there are 180 members of the 8th grade class, then what percent preferred either the museum or the sports complex?

• A. 65%

• B. 47.5%

• C. 17.5%

• D. 26%

Which of the following represents the difference in centers of Mrs. Moore’s class and Mrs. Ruiz’s class?

• 7

• 11

• 4

• 3

Data is collected from a random sample of 40 people at the public library. If the public library has 300 patrons, which of the following conclusions can be drawn?

• Exactly 42% of the library patrons chose a mystery.

• Non-fiction and science fiction represent over half of the selections.

• Over 25% of the library patrons chose a science fiction book.

• 136 total patrons can be expected to choose a non-fiction book.

What is the median of the second half of the data set: $248, $196, $248, $379, $319, $276, $198, $349?

• $319

• $276

• $198

• $349

What is the interquartile range of the data set: $248, $196, $248, $379, $319, $276, $198, $349?

• $123

• $71

• $100

• $150

The number of points in the first five games of the basketball season are listed below: 38, 29, 16, 42, 33. What is the mean number of points scored?

• 31.6

• 32

• 31

• 30

A middle school has 6th, 7th, and 8th grade students. Which of the following would be a random sample of the students?

• Surveying all of the teachers

• Surveying the students who buy their lunch in the cafeteria

• Surveying everyone whose last name begins with a G

• Surveying every tenth student on the class rosters

Compare the two box plots below. Which of the following statements is NOT true?

• Class B has a higher median number of siblings.

• Class A has a greater variability in the number of siblings.

• Both Class A and Class B have students who are only children.

• Over half of the students in Class A have two or more siblings.

What is the median number of miles Sally ran?

HINT: Median is like medium... It's in the middle.

Mathematical Equivalence

ON

Match the following vocabulary with the definitions

• Mean

• the middle value, when the data is ordered from least to greatest

• Mode

• the average of values, sum of all values divided by how many values

• Median

• the difference between the largest and smallest values in a data set

• Range

• the most frequently occurring value(s)

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5