Measures of Central Tendency

Front

What is the mean in statistics?

Back

The mean is the average of a set of numbers, calculated by adding all the numbers together and dividing by the count of numbers.

Front

What is the median in a data set?

Back

The median is the middle value when the numbers are arranged in order. If there are two middle numbers, the median is the average of those two.

Front

What is the mode in statistics?

Back

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

Front

Can there be more than one mode in a data set?

Back

Yes, a data set can have more than one mode if multiple numbers appear with the same highest frequency.

Front

What do you do if there are two middle numbers when finding the median?

Back

You find the mean (average) of the two middle numbers.

Front

What is the formula to calculate the mean?

Back

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

Front

If a data set has the values 3, 7, 7, 2, 5, what is the mode?

Back

The mode is 7, as it appears most frequently.

Front

In the data set 10, 20, 30, 40, 50, what is the median?

Back

The median is 30, as it is the middle value.

Front

What is the importance of measures of central tendency?

Back

Measures of central tendency summarize a set of data by identifying the central point, helping to understand the data's overall trend.

Front

If the average score of a class is 80 and one student scored 100, how does it affect the mean?

Back

The mean will increase because the higher score raises the overall average.