Probability and Statistics

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 is the formula for calculating the mean of a data set?

Back

Mean = (Sum of all values) / (Number of values)

Front

What is the definition of median in a data set?

Back

The median is the middle value when the data set is ordered from least to greatest.

Front

How do you calculate the mode of a data set?

Back

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

Front

What is a histogram?

Back

A histogram is a graphical representation of the distribution of numerical data, showing the frequency of data points within specified ranges.

Front

What does it mean for an event to be independent in probability?

Back

Two events are independent if the occurrence of one does not affect the probability of the other.

Front

What is the definition of a sample in statistics?

Back

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

Front

What is the difference between descriptive and inferential statistics?

Back

Descriptive statistics summarize and describe the characteristics of a data set, while inferential statistics use a sample to make predictions or inferences about a population.

Front

How do you calculate the probability of an event?

Back

Probability of an event = (Number of favorable outcomes) / (Total number of possible outcomes)

Front

What is the definition of a frequency distribution?

Back

A frequency distribution is a summary of how often different values occur in a data set.