7th Grade SA5-1: Data

Complete the steps for finding the mean:

1. __________________

2. Divide by the number of #s

Identify the population in the following scenario:

A. Dawson County Middle School Students

B. All sixth grade boys

C. All sixth grade students

D. All seventh grade students

What is the best representation of a population?

Biased

Non-biased

Find the mode of the data:

1, 10, 3, 7, 1, 4, 9, 10, 8, 2

Is this data skewed right, skewed left, or symetrical?

Is this data skewed right, skewed left, or symetrical?

Identify the outlier.

What is the range of this data?

What is the median?

What is the interquartile range (IQR)?