Why Statistics?

Statistics as a Problem-Solving Process

• Formulating a statistical question
• Designing a plan for collecting useful data
• Analyzing the data
• Interpreting the results

The Big Ideas and Essential Understandings

• Distribution describes variability in data.
• Statistics can be used to compare two or more groups of data.
• Bivariate distributions describe patterns or trends in the covariability in data on two variables.
• Inferential statistics uses data in a sample selected from a population to describe features of the population.

Performance Task

Scoring Guide

Sample Student Responses

Thoughts?