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Sample Data Analysis Paper

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INTERPRETATION (DATA ANALYSIS):
It was found that the class mean scores data is significantly lower than the data found in the nutritional panel (refer to table 1 and figure A). The class data regarding Nutri-grain indicate that it is almost three times lower than the information provided on the nutritional panel and Burger Rings show that it is almost two times lower than the nutritional panel (refer to table 1). The personal data shows that for Nutri-grain the energy combustion was somewhat close to the data shown in the nutritional panel (refer to appendix two and table 1) there is a difference of 90.79 between Nutri-grain and the nutritional panel; however Burger Rings were significantly lower than nutritional panel data showing a difference …show more content…

These participants were between the ages 16 and 17. This sample has many limitations including the small sample size, age bias, gender bias and school bias. Due to these limitations the investigation lacks validity and therefore does not reflect the wider population. In order to improve the sample size random allocation should occur in order to obtain equal gender, a wide variety of ages and from different schools and areas. The sample needs to be larger as it is too small and does not provide valid responses. Sample size is important in order to gain validity and improve the overall …show more content…

In this investigation the extraneous variables that aroused included: the outside breeze from the corridor would have influenced the results because the set up was directly near the door, the temperature of the room was warm and humid therefore this affected the rate and way in which the food sample were burnt at. In order to improve this weakness the extraneous variables should be controlled by setting up the experiment in an area where the breeze is reduced to a minimum and the experiment should be set up in an area where the temperature of the room is at an

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