Stats Unit 1 Review

Categorical or Quantitative?
Years of schooling completed

• Categorical
• Quantitative

Categorical or Quantitative?
College Major

• Categorical
• Quantitative

Tags

CCSS.HSS.ID.B.5

Is the information collected during the survey numerical or categorical data?

• Numerical data. I know this because the y-axis is labeled with numbers. 
• Numerical data. I know this because the surveyor counted how many people that they surveyed. 
• Categorical data. I know this because the responses to the survey are names. 
• Categorical data. I know this because each column is a different color. 

Tags

CCSS.3.MD.B.3

Distance from School

• Categorical
• Quantitative 

Tags

CCSS.2.MD.A.1

CCSS.2.MD.A.4

Which is larger?

• Population
• Sample
• Biased
• Unbiased

A poll is taken from 100 seniors in a high school where the senior class has 575 students. This is an example of a  ______________.

• Sample
• Population

Observations that you or someone else records.

• Variable
• Data
• Sample
• Population

A survey will be given to 100 students randomly selected from the freshmen class at MHSS to see what extra-curricular activities they plan on joining. What is the population?

• the 100 selected students
•  all MHSS students
• only freshman at MHSS
• all freshman in the US

A survey will be given to 100 students randomly selected from the freshmen class at MHSS to see what extra-curricular activities they plan on joining. What is the sample?

• the 100 selected students
• all MHSS students
• only freshman at MHSS
• all freshman in the US

2. Which of the following best describes the process of finding the interquartile range for a set of data?

• ADD the biggest and smallest numbers
• Place the number in order from least to greatest then find the middle.
• Find the difference between the Maximum and the Minimum.
• Subtract Q3 from Q1