Basic Statistics Flashcard

Front

What is the mode in a dataset?

Back

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

Front

How do you calculate the mean of a dataset?

Back

The mean is calculated by adding all the values in the dataset and dividing by the number of values.

Front

What does it mean to score at the 55th percentile?

Back

It means that 55% of the class scored worse than you did.

Front

How do you find the percentile rank of a value in a dataset?

Back

The percentile rank is found by determining the percentage of scores in the dataset that are less than the given value.

Front

What is a bimodal dataset?

Back

A bimodal dataset has two values that appear most frequently.

Front

What is the difference between mean and median?

Back

The mean is the average of all values, while the median is the middle value when the data is ordered.

Front

What is a dataset?

Back

A dataset is a collection of related data points or values.

Front

What is the range of a dataset?

Back

The range is the difference between the highest and lowest values in a dataset.

Front

What is a frequency distribution?

Back

A frequency distribution is a summary of how often each value occurs in a dataset.

Front

What is the significance of the 50th percentile?

Back

The 50th percentile is the median, meaning half of the data points are below this value.