Suppose That a Group of 10 People Join a Weight

question 67

Multiple Choice

Suppose that a group of 10 people join a weight loss program for 3 months. Each person's weight is recorded at the beginning and at the end of the 3-month program. To test whether the weight loss program is effective, the data should be treated as:

• A) independent samples using the normal distribution.
• B) paired samples using the t-distribution.
• C) independent samples using the t-distribution.
• D) independent proportions.

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Definitions:

Sample

A subset of individuals or elements taken from a larger population, used in research to make inferences or draw conclusions about the whole.

Random Sample

A method of selecting a sample from a population in such a way that every individual has an equal probability of being chosen, ensuring the sample’s representativeness of the whole population.

Population

A group of individuals of the same species living and interbreeding within a given area.

Equal Chance

Equal Chance implies situations or contexts in which all individuals have the same likelihood of gaining a benefit or being chosen for a role.