CCS2218 Q1

What are the two main types of statistics?

• Qualitative and Quantitative Statistics

• Nominal and Ordinal Statistics

• Descriptive and Inferential Statistics

• Primary and Secondary Statistics

What is a population in statistical terms?

• A subset of items from a larger group

• A summary measure for a sample

• The complete set of items of interest

• A method of data collection

Which of the following is an example of qualitative data?

• Colors of cars

• Temperature readings

• Number of cars in a parking lot

• Height of students

What is the purpose of a pilot study?

• To summarize the findings of a research project

• To collect data from the entire population

• To identify potential problems before the main study

• To analyze data using statistical methods

Which scale of measurement has a true zero?

• Ratio

• Interval

• Ordinal

• Nominal

What is the main aim of inferential statistics?

• To present data visually

• To make predictions about a population

• To summarize data

• To collect data from samples

What type of data is measured on a scale with equal distances between values?

• Ratio Data

• Interval Data

• Ordinal Data

• Nominal Data

Which of the following is a characteristic of primary data?

• It is easier to access than secondary data

• It is collected from existing sources

• It provides first-hand information

• It is less accurate than secondary data

What is a statistic in statistical terms?

• A type of qualitative data

• A method of data collection

• A summary measure computed from sample data

• A summary measure for the entire population

Which of the following is an example of discrete data?

• Number of students in a class

• Temperature readings

• Weight of packages

• Height of individuals