*Example What is the probability of getting a yellow and a red in any order?*This is the same as: what is the probability of getting a yellow AND a red OR a red AND a yellow.This lesson includes a data handling language starter (2 types included with solutions), looking at strand 1 of the coursework in more detail and going through each sampling method in detail.

*Example What is the probability of getting a yellow and a red in any order?*This is the same as: what is the probability of getting a yellow AND a red OR a red AND a yellow.This lesson includes a data handling language starter (2 types included with solutions), looking at strand 1 of the coursework in more detail and going through each sampling method in detail.

The median and the skew of the box plots also seem to suggest this.

Again Key Stage 4’s median is the closest to zero (-1.36), Key Stage 5’s median is further from zero (-4.76) and Key Stage 3 is further still (-6.16).

This will make it easier to see how far out the pupils were from guessing the correct angle, making it much easier to compare results.

This means that 0% error will be a perfect estimate, so the higher the percentage error the worse the estimate.

This means on average Key Stage 4 were much more accurate than Key Stage 5, and the skew only emphasizes this point.

We can see that in Key Stage 4’s box plot, there is a positive skew as the median (-1.36) is closer to the upper quartile (2.04).

The title of my investigation is ‘Guesstimate’, as I will be looking at how accurate different people are at estimating.

The aim of the investigation is to deduce estimating skills of pupils of different ages, abilities and genders.

This means most of the estimates are between -4.76 and -6.16 and fewer above -4.76, extremely far off zero compared with Key Stage 4, and therefore the estimates are much less accurate.

Of course, Key Stage 3 complied with the hypothesis, with a negative skew even more than Key Stage 5, with both the median and upper quartiles being -6.16.

## Comments Gcse Handling Data Maths Coursework

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