Question 1

What is the mean of a set of numbers?

Accepted Answer

To find the mean, add all the numbers together and divide by how many numbers there are.

Answer

The highest number in the list

Answer

The most frequent number in the list

Answer

The middle number in the sorted list

Question 2

How do you find the median in a set of numbers?

Accepted Answer

Arrange the numbers in order and find the middle number, or the average of the two middle numbers if there is an even count.

Answer

Add all the numbers together

Answer

Count the number of unique numbers

Answer

Select the highest number

Question 3

What is the mode of a set of numbers?

Accepted Answer

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

Answer

The average of the numbers

Answer

The largest number

Answer

The sum of all numbers

Question 4

What should you do first when finding the median?

Accepted Answer

You must sort the numbers in order from least to greatest.

Answer

Count how many numbers there are

Answer

Circle the highest number

Answer

Add all the numbers together

Question 5

What happens if there is an even number of data points when finding the median?

Accepted Answer

You circle the two middle numbers, add them, and then divide by two.

Answer

You take the lower middle number

Answer

You ignore the middle numbers

Answer

You take the higher middle number

Question 6

In the context of statistics, what does 'mode' refer to?

Accepted Answer

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

Answer

The range of the data

Answer

The median value of the data

Answer

The average of the data

Question 7

If the data set is {2, 3, 3, 5, 7}, what is the mode?

Accepted Answer

The mode is 3, as it appears most frequently.

Answer

2

Answer

5

Answer

7

Question 8

For the data set {4, 1, 3, 2}, what is the median?

Accepted Answer

The median is 2.5, which is the average of the two middle numbers 2 and 3 after sorting.

Answer

2

Answer

1

Answer

3

Question 9

What is the mean of {10, 20, 30}?

Accepted Answer

The mean is 20, calculated as (10 + 20 + 30) / 3.

Answer

30

Answer

60

Answer

10

Question 10

What is the range of the data set: 2, 4, 6, 8, 10?

Accepted Answer

8

Answer

10

Answer

6

Answer

4

Question 11

Which of the following correctly explains what you do to find mode?

Accepted Answer

You identify which number appears most frequently in the dataset.

Answer

Add all the numbers together

Answer

Divide the sum of the numbers by the count

Answer

Sort the numbers in ascending order

Question 12

What is the range of the set of temperatures: 15, 22, 28, 30, and 18 degrees?

Accepted Answer

15

Answer

12

Answer

20

Answer

10

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