Measures of Central Tendency

What is the difference between mean and median?

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

• The mean is the middle value, while the median is the average of all values.

• The mean is always greater than the median in a data set.

• The mean and median are always equal in a data set.

Find the range of these numbers: 12, 5, 9, 18, 22, 25, 5.

• 15

• 18

• 20

• 22

What is the range of the heights: 158cm, 172cm, 164cm, 164cm, 167cm, 159cm?

• 10 cm

• 12 cm

• 14 cm

• 16 cm

Can a dataset have more than one mode?

• True

• False

• Only if it has an even number of values

• Only in a bimodal distribution

What is the definition of Measures of Central Tendency?

• Statistical measures that describe the center or typical value of a dataset, including mean, median, and mode.

• A method to calculate the variance of a dataset.

• A technique used to measure the spread of data points in a dataset.

• A way to visualize data using graphs and charts.

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

• 3

• 5

• 7

• 2

What is the range of a dataset?

• The average of all values in the dataset.

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

• The sum of all values in the dataset divided by the number of values.

• The value that appears most frequently in the dataset.

What happens to the median if you add a new value to a dataset?

• The median always increases regardless of the value added.

• The median may change depending on the value added and its position in the ordered dataset.

• The median will always remain the same no matter what value is added.

• The median will only change if the new value is greater than the current median.

Find the median of these numbers: 4, 2, 7, 4, 3.

• 3

• 4

• 5

• 6

How do you find the mode of a dataset?

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

• The mode is the average of all values in the dataset.

• The mode is the middle value when the dataset is ordered.

• The mode is the largest value in the dataset.