Samples and Bias

_______ is a part of a group being surveyed.

• Sample
• Population
• Random Sample
• Quartile

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

_______ is the entire group of objects or individuals considered for a survey.

• Sample
• Population
• Random Sample
• Quartile

Tags

CCSS.7.SP.A.1

A sample in which every person, object, or event has an equal chance of being selected.

• A. Random sample.

• B. Biased sample.

Larger random sample sizes are more representative of a population.

• A. True

• B. False

When a sample does not accurately represent the population it is a:

• A. Unbiased sample

• B. Biased sample

What is misleading about the graph?

• The y axis does not start at 0.

• The scale is inconsistent.

• The graph is perfect as it is.

• The first two options are correct.

Tags

CCSS.6.SP.B.4

CCSS.6.SP.B.5

Which graph is misleading?

• Neither graph is misleading.
• The graph on the left is misleading because the y-axis does not start at zero.
• The graph on the right is misleading because the difference should be more than what the graph shows.

Tags

CCSS.6.SP.B.4

CCSS.6.SP.B.5

Explain why this graph may be misleading?

• the x-axis does not have equal intervals
• San Fransisco is not a real city
• you cannot have percents in a line graph
• the y-axis does not have equal intervals

Tags

CCSS.6.SP.B.4

CCSS.6.SP.B.5

What is misleading about this graph?
**choose the best answer

• Nothing is misleading about this graph.
• The democrats are too high.
• The y-axis does not start at zero, so it makes the democrats look much higher than the other two parties.

Tags

CCSS.6.SP.B.5

Alden wanted to impress his parents by showing the rapid increase in his score on 5 tests. Which graph should he use to impress them?

• Graph 1

• Graph 2

• Neither

• Both

Tags

CCSS.5.G.A.2