Exploring the Basics of Statistics

What is one of the main purposes of statistics?

• To avoid making decisions

• To create confusion

• To make sense of data and put it to use

• To make random guesses

Who was the statistician present at the tea-tasting experiment?

• Ronald A. Fisher

• Francis Galton

• Karl Pearson

• John Tukey

What is a 'proxy' in the context of statistics?

• A random guess

• A type of statistical error

• A related measure that is not exactly what we want to know

• An exact measure of what we want to know

What is an example of a question that statistics can help answer?

• Why do people eat fast food?

• How many people eat fast food on weekends?

• What is the meaning of life?

• Why is the sky blue?

What do descriptive statistics help us understand?

• The errors in data collection

• The basic features of data

• The future trends

• The causes of data patterns

What is a measure of central tendency?

• A measure of data spread

• A measure of the middle of the data

• A measure of data errors

• A measure of data collection

What is the main function of inferential statistics?

• To describe data

• To make predictions and test hypotheses

• To collect data

• To avoid uncertainty

What is an example of inferential statistics in action?

• Estimating the content of a candy barrel from a sample

• Calculating the average salary

• Listing all data points

• Describing the features of data

What is the role of statistics in decision-making?

• To avoid making any decisions

• To make decisions for us

• To provide tools for reasoning despite uncertainty

• To eliminate uncertainty

What is the difference between descriptive and inferential statistics?

• Descriptive statistics make predictions; inferential statistics describe data

• Both describe data

• Both make predictions

• Descriptive statistics describe data; inferential statistics make predictions