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# Maths Mice Coursework

Extracts from this document...

Introduction

Mice Coursework

Introduction

In this coursework I am going to compare two sets of data about the weight of male and female mice. I am then going to make a hypothesis about the weights of these mice and then find out whether or not I am correct.

Hypothesis

My hypothesis is that male mice will be heavier than the female mice. I think this because usually males need to eat more and tend to be bigger.

Grouping the Mice.

In this coursework I will also have quite a few graphs.

Middle

Frequency (f)

Midpoint (X)

f x X

0 ≤ w < 5

5 ≤ w < 10

10 ≤ w < 15

15 ≤ w < 20

20 ≤ w < 25

25 ≤ w < 30

0

1

20

45

21

7

2.5

7.5

12.5

17.5

22.5

27.5

0

7.5

250

787.5

472.5

192.5

Total: 94

Total: 1710

So the mean average of male mice is 1710÷94= 18.20 (2 d.p. places)

From this we can already see that on average male mice are bigger in weight.

The next step that I will take is to draw the cumulative frequency graphs. I am drawing the cumulative frequency graph so that I can calculate the median value. The reason for this is because it

Conclusion

span="1" rowspan="1">

0

19

29

7

25

27

0

19

48

55

80

107

Male

 Groups Frequency Cumulative Frequency 0 ≤ w < 5                                5 ≤ w < 1010 ≤ w < 1515 ≤ w < 2020 ≤ w < 2525 ≤ w < 30 012045217 0121668794

Graphs

Mean Values

Female: 18.5G

Male: 18G

According to these mean values Female mice are heavier than Male mice.

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