Introduction

Question 1

Statistics

Answer 1

Science of collecting data and using data to learn about things

Question 1

Statistical Framework

Answer 1

Statistics gives us a framework to answer questions about the world
1. construct a hypothesis
2. collect data
3. Consider evidence
4. draw conclusions

Question 2

Population

Answer 2

A group of things that we wish to ask a scientific question about

Question 3

Parameter

Answer 3

Quantifibale attribute of a population. It is often assumed to be a fixed value within the bounds of the population.

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Question 4

Census

Answer 4

A complete collection of data for a population.
-Lets us determine the value of a parameter within the population

Question 5

Sample

Answer 5

Randomly collected subgroup of a larger population

subset of a population

Question 6

Statistic

Answer 6

is an estimate of a parameter that we get using data collected from a sample

Question 7

observation

Answer 7

what we are collecting data from and the characteristics are variables

Question 8

Quantitative Variable

Answer 8

Data that Is stored in the form of numbers and is numerical in the nature
-Continuous data ( Heigh, weight)
-Discrete data ( only specific values allowed ( points in a game) )

• We use mean or average to analyze

Question 9

categorical variable

Answer 9

variables that are naturally divided into groups
-Binary ( two groups)
-Nominal ( no ordering) eye color
-Ordinal (ordering makes sense) ( grade level)

-We use proportions or percentages to analyze