The hours of sunshine decreases as the heights above sea level increase

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Coursework: Intermediate Level

Task D

I have studied the question carefully. I will give a prediction on what I feel about it. I will investigate, find evidence, give my results and write up a conclusion stating whether I have proved the statement true or false.

Debbie’s statement reads:

“The hours of sunshine decreases as the heights above sea level increase.”

Prediction

I predict that Debbie’s statement is false because I believe altitude does not have an effect on the hours of sunshine that any part of the earth sees per day. But that answer is based solely on common knowledge, the statistics may prove differently.

Plan

I will analyse each set of data and show them in the form of graphs using mean, mode, median and standard deviation. I will compare the data and after choosing the set of data that I feel shows whether the statement is true or false the clearest, I will present it as neatly as possible in my conclusion without lacking any detail.

Investigation

I will begin my task by finding the average hours of sunshine for each place.

I will use the formula: (X+Y) (X+Y being the data)

                                   N   (N being the amounts of data)

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Now that I have the average hours of sunshine (HS*) and the heights above sea level (HASL*) I am capable to use those sets of data on a graph. GRAPH A shows the average HS against the HASL.

        

It shows that Debbie’s statement is not entirely accurate. If Debbie’s statement were to be perfectly accurate there would be visible negative correlation. Closer inspection proves that there is negative correlation between points at 580m and 1145m, also between points 1728m through to 2875m. However, through points between 1154m and 1728 all we see is positive correlation.

In order to investigate ...

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