PreCal First Semester Recap 4

Front

What is the probability of selecting a brown M&M from a bowl containing 4 yellow, 6 orange, 2 brown, 3 green, and 5 blue M&Ms?

Back

Front

What is the mode of the following data set: 12, 10, 10, 10, 13, 12, 11, 13, 10?

Back

The mode is 10.

Front

How do you calculate the mean of a set of numbers?

Back

Add all the numbers together and divide by the total count of numbers.

Front

Find the mean of these numbers: 2, 57, 38, 42, 6.

Back

The mean is 29.

Front

What is the term for the median of the upper half of the data?

Back

Upper Quartile.

Front

What is the interquartile range (IQR)?

Back

IQR is the difference between the upper quartile (Q3) and lower quartile (Q1).

Front

If the lower quartile (Q1) is 10 and the upper quartile (Q3) is 20, what is the IQR?

Back

The IQR is 10.

Front

What is the definition of median in a data set?

Back

The median is the middle value when the data set is ordered.

Front

How do you find the median of an even set of numbers?

Back

Average the two middle numbers.

Front

What is the difference between mean and median?

Back

Mean is the average, while median is the middle value.