Stats 1st Semester Vocab Exam

Front

What is bias in a study?

Back

Bias refers to a systematic error that leads to an incorrect conclusion about a population based on the sample data.

Front

What is the definition of probability?

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

Front

What does the formula (Number of outcomes favorable to event)/(Total number of outcomes) represent?

Back

This formula represents the concept of probability.

Front

What is the process of subtracting each data number from the mean, squaring the result, and then summing these squared values called?

Back

This process is known as calculating the sum of squares.

Front

What is Inferential Statistics?

Back

Inferential Statistics consists of methods for drawing conclusions about a population based on information obtained from a sample.

Front

What is the difference between Descriptive Statistics and Inferential Statistics?

Back

Descriptive Statistics summarizes and describes the features of a dataset, while Inferential Statistics makes predictions or inferences about a population based on a sample.

Front

What is a sample in statistics?

Back

A sample is a subset of a population used to represent the entire group.

Front

What is the mean in a dataset?

Back

The mean is the average of a set of numbers, calculated by dividing the sum of all values by the number of values.

Front

What is a population in statistics?

Back

A population is the entire group of individuals or instances about whom we hope to learn.

Front

What is the mode in a dataset?

Back

The mode is the value that appears most frequently in a data set.