Unit 8 - p4 carry out an appropriate correlation method to investigate data collected from laboratory experiment, m4 interpret the results of the correlation

Unit 8 – using statistics in science
P4 – Carry out an appropriate correlation method to investigate data collected from a laboratory
experiment
M4 – Interpret the results of the correlation
Procedure
Equipment:
 Group of people  30cm ruler  2 x 1m rulers  Results table

Method:
1. Using the 30cm ruler measure the left-hand span in cm and write down results
2. Using the 30cm ruler measure the left foot length in cm and write down results
3. Using the two 1m rulers, get someone to measure height in cm while the other is standing up
straight
4. Compile the groups data into a table

Results
Left foot length (cm) Height (cm) Hand span (cm)
1 26 169 21.5
2 25 157 19
3 25 160 18.1
4 26 164 20.5
5 27 176.5 17
6 26 181.4 24
7 25 162.1 19
8 23.5 170.2 19.5
9 24 164.5 17
10 23 166 17
11 22 159 18
12 25.3 169.1 20.3
13 23.5 164.4 19
14 21.6 156.8 15
15 27.4 176 21.2


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M4 – Interpret the results of the correlation

Height vs Foot Size
185
180
175
170
Height (cm)




165
160
155
150
145
140
21 22 23 24 25 26 27 28
Foot Size (cm)