Wednesday, 27 February 2013

Girls Can't Catch

IB Biology Practical
Investigations/Satistics/Mythbusting: Girls cant catch

Conclusion

The results of the investigation proven that our hypothesis was correct. That is, boys do catch better than young ladys. This can be observed by examining our data. The mean number of catches for the boy backstop was 4.6 taboo of a possible 5. The mean number of catches for the girl was 3.9. However, the results between the boys and girls catching can not be called a significant difference. This is because the girls mean of catches is not after-school(prenominal) two standard deviations of the boys mean of catches. another(prenominal) indication that the difference is not significant is the results of the t-test. The t worked out to equal 1.82 which is less than the table value. Therefore, judging from our data, ane could bring up that boys can throw better than girls, however the difference is not significant.

Our lab did contain various weaknesses and limitations. Below be the factors that could be corrected for a more accurate repeat of the investigation.
1. miscellany in the distance from thrower to catcher. The closer together, the easier it is for the catcher. The farther away, the harder it is for the catcher.
2. quicken of the throw. Faster throw makes it harder to catch. Slower throw makes it easier to catch.
3.Height of the throw.

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Balls supra and below the catchers comfort zone are more difficult to catch.
4.Minimum number of people. (Limited samples). Because only one boy and one girl were used to test the hypotheses, the results divulge the catching ability of only one person from distributively sex. This leaves too much uncertainty as the goal is to key out out which population, boys or girls are better catchers.
5.Slippery ball. The sweat, moisture, and pixilated grass made the ball increasingly slippery as the lab went on.

The above weaknesses and limitations could be improved in the followers ways:
1.The distance could be kept the same by measuring off a certain distance antecedent to...If you want to get a full essay, order it on our website: Ordercustompaper.com



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