PS Unit 1+2 Review

Numbers representing counts or measurements 

• Qualitative Data
• Quantitative Data
• A Statistic
• Population parameter

Group of objects about which conclusions can be drawn.

• Population
• Sample
• Population parameter
• A Statistic

Categories are based on some nonnumerical characteristics

• Qualitative Data
• Quantitative Data
• Descriptive Statistics
• Inferential Methods

Portion of objects drawn from the population

• Statistics
• Population parameter
• Descriptive Statistics
• Sample

Planning experiments and obtaining data in order to analyze and present conclusions.

• Descriptive Statistics
• Inferential Methods
• Statistics
• Population parameter

A toy store owner is tracking how much kids spend each month on toys.
Which choice best represents a population?

• All of the kids who buy toys.
• 227 rich kids.
• 228 boys age 7-15.
• 235 kids from age 10 to 15.

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

• 1,000 unemployed voters
• The mayor's family
• The residents of the town
• 242 voters

Tags

CCSS.HSS.IC.B.3

CCSS.HSS.IC.A.1

The average salary of a random sample of 50 high school teachers in 2010 was $52,400.

• descriptive statistics
• inferential statistics

Based on a random sample, it was concluded that the average cost of a hotel room in Chicago was greater than one in Atlanta. 

• descriptive statistics
• inferential statistics

A study has concluded that the average credit card debt of college graduates has increased from the year 2009 to 2010.

• descriptive statistics
• inferential statistics