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Quantitative Data Analysis Techniques

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Questions and Answers

What is the purpose of quantitative data analysis?

To collect data through surveys and interviews

To qualitatively interpret the meaning of data

To use statistical methods to summarize, describe, and infer from the data (correct)

To visually represent data through graphs and charts

What does the mean represent in descriptive statistics?

The variability of a dataset

The average value of a dataset (correct)

The middle value of a dataset

The most frequently occurring value in a dataset

What is the median used for in descriptive statistics?

To find the average value in a dataset

To find the middle value in a dataset (correct)

To measure the variability in a dataset

To find the most frequent value in a dataset

What does the mode represent in descriptive statistics?

The most frequent value in a dataset Signup and view all the answers

What does standard deviation measure in descriptive statistics?

The variability in a dataset Signup and view all the answers

What is hypothesis testing used for in inferential statistics?

To test a hypothesis about a population based on a sample of data Signup and view all the answers

What statistical technique is used to estimate a population parameter based on a sample of data?

Confidence Intervals Signup and view all the answers

Which technique is used to model the relationship between two variables?

Simple Linear Regression Signup and view all the answers

What method is employed to identify patterns in data over time?

Trend Analysis Signup and view all the answers

In which situation would a researcher use multiple linear regression?

To model the relationship between multiple variables Signup and view all the answers

Which technique is used to identify seasonal patterns in data?

Seasonal Analysis Signup and view all the answers

What does qualitative data analysis involve?

Using content analysis and thematic analysis to identify patterns and themes in data Signup and view all the answers