Provide a 5 pages analysis while answering the following question: Energy in Food Lab Practical. Prepare this assignment according to the guidelines found in the APA Style Guide. An abstract is required. The graph shows that bars for bread and oil are almost equal for most of the data obtained. This is an indication that the energy content for the bread and oil are almost equal to each other than when compared to mushroom. and vice versa for oil and mushroom. Consequently, it is confirmed that among the three food types, oil has the intermediate energy content while the rest of the two are in the extremes.
The results above, especially those exhibited by the mushroom, can be explained on the basis of calorie content in this food type. Normally, the mushroom has few calories as evident in less fat contained and hence the volume. Further, mushrooms are free from fat and cholesterol thereby leading to high energy content as compared to oil that contains more fat (Kapoor & Alyona, 23). In the case of bread, it has the lowest energy content because it does not contain fiber. The absence of fiber makes this food type lightweight. Further, bread does not contain any nutrients. The number of nutrients, such as carbohydrate and protein, also explain the difference in the energy content of the food types. Protein and carbohydrates are burnt and in the process they produce energy. Food with a high content of protein is likely to have higher energy content than that without.
As shown in the t-test table (figure 2), there is a significant difference between bread and mushroom-based on their energy content. The t Stat <. -t Critical two-tail and t Stat >. t Critical two-tail thereby implying the need to reject the null hypothesis. In which case, -3.55085 <. -2.160369 confirms that the difference between the two is very highly significant. Further, P(T<.=t) one-tail of more than 0.001 indicates a difference at 99.9% level, which is very highly significant. This is also confirmed by a significant difference between the sample means (1418.8 – 454.12) that is convincing enough to conclude that the average energy content between bread and mushroom differs significantly.
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The t-test, .shown in figure 3, insinuates there is no significant difference between bread and oil-based on their energy content. The t Stat is more than -t Critical two-tail thereby implying the need to reject the null hypothesis.