Mr Kent's Lesson: 3 October, S3/4

Driving Question: What are we trying to show and what methods can we use to do this?

Target Question: When can we find the exact answer and when can we only find an estimate?

Success Criteria
Beginning
To be able to use measures of averages to investigate problems.
Developing
To be able to demonstrate the method for finding the mean from a frequency table of discrete data.
Mastering
To be able to demonstrate the method for finding an estimate of the mean from a grouped frequency table of continuous data.

Resources

Beginning

B1
Read through the notes at the start of this worksheet and then complete the questions.

Averages (from MEP 9.1)*

If you are still not sure what you are doing watch this video (or ask the teacher to play this video for the class).

Averages from small data sets

Test your understanding by completing 1 or 2 exam questions (example answers at the end).

Calculating Averages of Small Data Sets

Developing

D1
Complete this online worksheets after reading the notes.
CIMT - Averages from Tables

If you are still not sure what you are doing watch this video (or ask the teacher to play this video for the class).Averages from grouped data

D3
Read through the notes at the start of this worksheet and then complete the questions.

Averages from tables (from MEP 9.2)*

Test your understanding by completing 1 or 2 exam questions (example answers at the end).

Calculating Averages from Frequency Tables

Mastering

Read through the notes at the start of this worksheet and then complete the questions.

Average of grouped data (from MEP 9.4)*

M2
Further questions can be found here.

Averages from Tables (from Ten Ticks 7-8, 6, page 33-34)*