Measures of Central Tendency FLASHCARD

Front

What does the mean represent in a set of numbers?

Back

The average number.

Front

What does the median represent in a set of numbers?

Back

The number that represents the middle value in the set of numbers.

Front

Which of the following best describes the process of finding the range for a set of data? A. ADD the biggest and smallest numbers, B. Place the number in order from least to greatest then find the middle., C. Find the difference between the Upper Extreme and the Lower Extreme., D. Find the average.

Back

C. Find the difference between the Upper Extreme and the Lower Extreme.

Front

What does the mode represent in a set of numbers?

Back

The number that appears most often.

Front

True or False: The mean and the average are the same number.

Back

True.

Front

Define 'Mean' in statistics.

Back

The sum of all values divided by the number of values.

Front

Define 'Median' in statistics.

Back

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

Front

Define 'Mode' in statistics.

Back

The value that occurs most frequently in a data set.

Front

How do you calculate the range of a data set?

Back

Subtract the smallest number from the largest number.

Front

What is the relationship between mean, median, and mode in a normal distribution?

Back

In a normal distribution, the mean, median, and mode are all equal.