Exercises
1) Write these numbers as fractions:
- 0.44444...
- 0.454545...
- 0.234234234...
2) Write these numbers as fractions:
- 0.234234234...
- 0.123232323...
- 0.3747474
3) Explain the rules of indices for multiplication, division and powers within a power.
4) Find the answer to the following:
- 2 x 10^3 x 3.4 x 10^5
- (6.8 x 10^3) / (2 x 10^5)
- 2 x 10^3 + 3.4 x 10^4
- 8.8 x 10^3 x 3.4 x 10^5
- 4.77 x 10^3 - 3.4 x 10^5
5) Explain how to add and subtract unlike fractions. For example:
- 1/3 + 4/7 =
Lesson Title: Scatter Graphs (spearman's rank)
Room: 28
Learning Objectives
Able to interpret a line of best fit and recognise the different types of correlation.
Can you give examples of different types of correlation and what they tell us?
Grade B
To be able to calculate the spearman’s rank of two sets of data and to know what this tells us.
When can we confidently say there is a strong coloration between two sets of data?
Resources
Grade C
Grade B
Grade A
Homework
Learning Objective for next lesson:
Grade B
To be able to calculate the spearman’s rank of two sets of data and to know what this tells us.
When can we confidently say there is a strong coloration between two sets of data?
Grade A
To be able to calculate the Spearman's Rank
coefficient and know what this tells us.
What does the SR of +0.8 tell use about the
values?
