Outliers Quiz

Consider the dataset: 4, 7, 5, 9, 10, 22. Which of the following is an outlier?

• 4

• 7

• 22

• 9

What is the mean of the dataset: 8, 3, 7, 3, 2, 4?

• 4.5

• 5

• 4.7

• 3

What is the median of the dataset: 12, 15, 11, 20, 14?

• 12

• 14

• 15

• 11

In a box plot, what does a point that lies outside the "whiskers" represent?

• Median

• Mean

• Outlier

• Mode

Consider the dataset: 5, 5, 5, 5, 5, 45. What is the median?

• 5

• 10

• 25

• 45

If a dataset has values: 2, 2, 2, 2, 100, the mean is significantly higher than the median. This indicates that:

• There is no outlier.

• The dataset is evenly distributed.

• There is an outlier.

• The dataset is normally distributed.

What is the mean of the dataset: 10, 20, 30, 40, 50?

• 30

• 25

• 40

• 20

In a dataset: 1, 2, 3, 4, 5, 100. What is the median?

• 3.5

• 4

• 4.5

• 100

How do you calculate the mean of a dataset?

• Add all the numbers together and divide by the number of numbers.

• Find the middle number.

• Identify the number that appears most frequently.

• Subtract the smallest number from the largest number.

What does the median represent in a dataset?

• The middle value when the numbers are arranged in ascending order.

• The average of all the numbers.

• The most frequently occurring number.

• The difference between the highest and lowest values.