Stats Review

What is the median height (in cm) of the following:
140, 148, 150, 152, 155, 157, 159, 160, 161, 164, 165, 166

• 157 cm

• 158 cm

• 159 cm 

• none of these

Tags

CCSS.6.SP.B.5C

In an 80-item test, the passing mark is the 3^rd quartile. What does it imply?

• The students should answer at least 60 items correctly.

• The students should answer at least 40 items correctly.

• The students should answer at most 60 items correctly.

• The students should answer at most 40 items correctly.

Tags

CCSS.6.SP.B.5C

The lower quartile is equal to

• 50th percetile

• 25th percentile

• 2nd decile

• 3rd quartile

Tags

CCSS.6.SP.B.5C

What word best describes this definition: the group of individuals that we’d like to know about.

• Population

• Sample

• Parameter

• Statistic

Tags

CCSS.HSS.IC.B.3

What word best describes this definition: a numerical value that describes the population. Mean or average from the population, denoted µ (mu).

• Population

• Sample

• Parameter

• Statistic

Tags

CCSS.HSS.IC.B.3

What word best describes this definition: the subset of the population that is actually studied.

• Population

• Sample

• Parameter

• Statistic

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

The math department of Anne Arundel County public schools sends out a survey to 300 randomly selected high school students. In the survey, they ask students to state how many hours they spend doing math homework in a typical week. The average amount of time was 42 minutes. Who is the SAMPLE?

• 42 minutes

• 300 randomly selected AACPS students

• All AACPS students

• The average amount of time that all AACPS students spend doing math homework

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A University polled 500 of its students. They split them into degree programs and randomly selected 50 students from each degree program offered at the college. Classify the sampling method

• Simple Random

• Systematic

• Stratified

• Voluntary

Tags

CCSS.HSS.IC.B.3

Asking every fifth student in the sixth grade his

or her opinion on something.

• simple sample

• systematic sample

• voluntary sample

• convenience sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Bob asks 10 of his friends to determine what

percentage of students participate in sports.

• simple sample

• systematic sample

• voluntary sample

• convenience sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1