Quiz on Data Types and Distance Metrics in Machine Learning

What are the two main classifications of data types?

• Quantitative and Qualitative

• Discrete and Continuous

• Nominal and Ordinal

• Interval and Ratio

Which of the following is an example of discrete data?

• Weight of a package

• Height of a person

• Number of students in a class

• Temperature in Celsius

What type of data is described as categorical?

• Qualitative data

• Continuous data

• Quantitative data

• Discrete data

Which of the following is an example of continuous data?

• Number of marbles

• Students in a class

• Temperature in Kelvin

• Number of cars

What does nominal data represent?

• Unordered categories

• Measured values

• Ordered categories

• Numerical values

Which data type has a true zero point?

• Ordinal data type

• Ratio data type

• Nominal data type

• Interval data type

What is the primary use of cosine similarity?

• To measure the angle between two vectors

• To measure the distance between two points

• To classify data types

• To calculate the average of a dataset

Which distance metric is used for grid-like paths?

• Euclidean Distance

• Minkowski Distance

• Manhattan Distance

• Cosine Distance

What is the formula for calculating Euclidean distance?

• Product of coordinates

• Square root of the sum of squares

• Difference of means

• Sum of absolute differences

Which distance metric is also known as Taxicab Geometry?

• Minkowski Distance

• Manhattan Distance

• Cosine Distance

• Euclidean Distance