Statistics

Is this sample biased or unbiased?

A sample of 50 randomly selected students.

• Biased

• Unbiased

Is this an example of a population or a sample?

The number of pets in one household in a city.

• population

• sample

Which class had the highest median?

• 2nd period

• 1st period

Which class had the highest test score?

• 1st period

• 2nd period

A sample that does not fairly represent the population.

• population
• biased sample
• random sample
• sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Identify the POPULATION in the following question: What are the ages of the students at Clarke Middle School?

• Students
• Age
• Clarke Middle School

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

What is the difference between the upper and lower quartiles in a box plot?

• range

• Interquartile range

• home on the range

• o-range

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

What do we call the median of the lower half of data?

• Q1

• Q2

• Q3

• Q4

Tags

CCSS.6.SP.B.5C

This graph is

• Symmetric

• Skewed to the left

• Skewed to the right

• Incorrect

If we select 100 persons from 25,000 registered voters and question them about candidates and issues, the 100 persons are referred to as the population.

• True

• False