Statistic Intro

The average height of 30 mango tree samples is 100 feet with a canopy of approximate 35 feet.

• Parameter

• Statistic

The characteristic used to describe a sample

• parameter

• statistic

• population

• census

Tell if the statement is a Parameter or a Statistic

The average late fee for 360 credit card holders was found to be $56.75

• Parameter

• Statistic

Population or Sample?

All of the teachers in a school are surveyed on their meeting time preferences.

• Population

• Sample

I have 100 apples in bag with a margin of error of 2%

What is my range

• 100 to 104

• 98 to 100

• 96 to 104

• 98 to 102

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. 

A beverage company wanted to see if people in the United States liked their new logo. Which choice best represents a population?

• A selection of logo artists.

• Every person in the United States.

• A selection of shoppers from different states.

• 3,800 children age 5 - 15

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

• Every person who bought the album.

• A selection of people who didn't want to buy the album.

• 250 girls who bought the album

• A selection of 3,294 people who bought the album.

Before a nation-wide election, a polling place was trying to see who would win. Which choice best represents a sample?

• A selection of voters over age 50.

• A selection of male voters.

• A selection of voters of different ages.

• All voters.

Prather and Albert are running for teacher of the year there is a three point MOE. Predictions are Prather has 52% of the vote and Albert 48%. Considering the MOE Alberts range is

• 48%

• 45<x<51

• 48<x<55

• 42<x<66