WEEK 2C (M7)

Front

What is the mean of a set of numbers?

Back

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

Front

How do you calculate the mean of the following numbers: 9, 8, 12, 6, 10?

Back

Add the numbers: 9 + 8 + 12 + 6 + 10 = 45. Then divide by the count (5): 45 ÷ 5 = 9.

Front

What does a 0% chance of an event happening indicate?

Back

It indicates that the event is impossible.

Front

What does a 75% chance of an event happening indicate?

Back

It indicates that the event is likely to happen.

Front

What is the mode of a set of numbers?

Back

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

Front

Find the mode of the following numbers: 12, 10, 10, 10, 13, 12, 11, 13, 10.

Back

The mode is 10, as it appears most frequently.

Front

What is the median of a data set?

Back

The median is the middle value when the numbers are arranged in order.

Front

How do you find the median of the following numbers: 3, 17, 17, 11, 8, 13, 5, 18?

Back

First, arrange the numbers in order: 3, 5, 8, 11, 13, 17, 17, 18. Since there are 8 numbers, the median is the average of the 4th and 5th numbers: (11 + 13) ÷ 2 = 12.

Front

What is a probability of 100%?

Back

A probability of 100% means that the event is certain to happen.

Front

What is a probability of 50%?

Back

A probability of 50% means that the event is as likely to happen as not.