Central Tendency Ungrouped Data 2020

Front

What is the mode in a set of data?

Back

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

Front

How do you find the median of a data set?

Back

To find the median, arrange the numbers in order from least to greatest and identify the middle number.

Front

What is the mean (average) of a set of numbers?

Back

The mean is calculated by adding all the numbers together and dividing by the total count of numbers.

Front

If the scores are 76, 85, 97, and 82, what is the average score?

Back

The average score is 85.

Front

What does it mean if a score is the mode?

Back

It means that more students received that score than any other score.

Front

How do you calculate the mean of the numbers 1, 0, 1, 5, 0, 3, 4?

Back

Add the numbers (1+0+1+5+0+3+4 = 14) and divide by the count (7), resulting in a mean of 2.

Front

What is the median of the numbers 7, 1, 1, 7, 1, 4, 1?

Back

The median is 1.

Front

What is the difference between mean and median?

Back

The mean is the average of all numbers, while the median is the middle value when numbers are sorted.

Front

What is an example of a mode in a data set?

Back

In the data set {2, 3, 4, 4, 5}, the mode is 4 because it appears most frequently.

Front

How do you determine if a score is below average?

Back

A score is below average if it is less than the mean of the data set.