Parameter Vs. Statistics

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.A.1

CCSS.HSS.IC.B.4

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

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

• Population

• Sample

• Parameter

• Statistic

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

What word best describes this definition: a numerical value that is calculated from a sample. Mean or average from the sample, denoted x̄ (x-bar).

• Population

• Sample

• Parameter

• Statistic

Tags

CCSS.HSS.IC.B.4

CCSS.HSS.ID.A.4

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. What is the STATISTIC (x̄: sample mean)?

• 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.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

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.HSS.IC.A.1

CCSS.HSS.IC.B.3

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 POPULATION?

• 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.HSS.IC.A.1

CCSS.HSS.IC.B.3

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. What is the PARAMETER (μ: population mean)?

• 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.HSS.IC.A.1

CCSS.HSS.IC.B.4

A mayor wanted to see if the people in his town thought he was doing a good job.
Which choice best represents a statistic?

• The percentage of all townspeople who believe the mayor is doing a good job.
• The percentage of townspeople surveyed who believe the mayor is doing a good job.
• All townspeople.
• A random selection of 100 townspeople.

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

CCSS.HSS.ID.B.5

A musician wanted to see what people who bought his last album thought about the songs.
Which choice best represents a parameter?

• The percentage of all people who bought his last album that thought the songs were good.
• 50 people who bought the musician's last album
• 85% of the 50 people surveyed thought the songs were good.
• All 

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4