Data Analysis Variables Hypothesis Testing Assignment

Assignment Task

Describing the population

The first step is to describe the study population. task write down some questions you would like answered. For example ‘how many males were there?

Categorical data

To describe categorical variables (for example how many males were there?) you should use frequencies, this will provide you with the number and percentage of males.

Hypothesis

1. Body fat is determined by gender

2. Dietary energy intake is strongly related to body mass index

3. Sedentary subjects are more likely to be overweight compared with active subjects

4. Skinfolds overestimate percentage body fat than BIA (Tanita) in selected population.

Task

• In groups, discuss what data you could use to prove or disprove the hypotheses.
• Decide if the data is normally distributed (parametric) or not normally distributed (non-parametric).
• Decide on the appropriate statistical test (parametric or nonparametric) to prove or disprove the hypotheses.
•  Perform the appropriate statistical tests using the guidance below.

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