Intro to Data

What is a dataset?

• A set of values of the variables defined for the individuals/subjects in a selected sample

•  A set of values of the variables defined for the entire population

• A set of values of the variables defined for a specific group of individuals

• A set of values of the variables defined for a specific variable

What is a data frame?

• An organized dataset, as a data matrix where each row of the matrix contains values for one subject

• An organized dataset, as a data matrix where each column of the matrix contains values for one subject

• An organized dataset, as a data matrix where each row of the matrix contains values for one variable

• An organized dataset, as a data matrix where each column of the matrix contains values for one variable

Which of the following is an example of quantitative data?

• Gender

• Occupation

• Age

• Healthy Lifestyle

Which of the following is an example of a qualitative data?

• Salary

• Monthly Expenditure

• Gender

• Age

What is discrete Data?

• Information that can only take certain fixed values

• Data that can be infinitely and meaningfully broken down into smaller parts

• Data that can be counted or measured in numerical values

• Non-numerical data such as language, text, video, audio recordings, and photographs

What is continuous data?

• Information that can only take certain fixed values

• Data that can be infinitely and meaningfully broken down into smaller parts

• Data that can be counted or measured in numerical values

• Non-numerical data such as language, text, video, audio recordings, and photographs

Which of the following is an example of nominal data?

• Age

• Marital Status

• Weight

• Distance

Which of the following is an example of ordinal data?

• Eye Colour

• Nationality

• Temperature

• Education level

What can be calculated using descriptive statistics for quantitative data?

• Mode, Median, Mean, and interquartile range

• Frequency counts

• Inferential statistics

• Relative frequencies

What can be calculated using inferential statistics?

• Mode, Median, Mean, and interquartile range

• Frequency counts

• Descriptive statistics

• Conclusions and projections for the total population