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Biomedical Engineering: Descriptive Statistics & Inferential Statistics

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Biomedical Engineering: Descriptive Statistics & Inferential Statistics

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Questions and Answers

What is the primary purpose of descriptive statistics?

To identify the most frequently occurring value in a dataset

To identify causal relationships between variables

To summarize the properties of an entire distribution of scores with just a few numbers (correct)

To make predictions about future data

What is the primary benefit of graphing data?

To calculate the mean of the dataset

To show the relationships between variables clearly (correct)

To identify the range of the dataset

To identify the mode of the dataset

What is the purpose of a frequency distribution?

To identify the mode of the dataset

To provide an organized tabulation of the number of individuals in each category (correct)

To identify the mean of the dataset

To show the relationships between variables

What is exploratory data analysis (EDA)?

An analysis approach that identifies general patterns in the data Signup and view all the answers

What is the purpose of organizing your data?

To prepare the data for further analysis Signup and view all the answers

What type of graph is best suited for showing relationships between variables?

Scatter plot Signup and view all the answers

What is the main purpose of inferential statistics?

To make inferences about a population based on a sample Signup and view all the answers

What is the primary difference between parametric and nonparametric statistics?

The assumptions made about the population distribution Signup and view all the answers

What is the purpose of the stemplot in displaying distributions?

To show the frequency of each value Signup and view all the answers

What is the measure of center that is most affected by extreme values in the data?

The mean Signup and view all the answers

What is the term for the difference between the sample statistic and the population parameter?

Sampling error Signup and view all the answers

What is the purpose of the Pearson product-moment correlation coefficient?

To measure the strength of the linear relationship between two variables Signup and view all the answers