Questions: Source USA TODAY
9. Airplane Seats The maximum number of seats in various models of passenger airplanes is shown. Find the mean, median, mode. and midrange for the data.
132, 156, 180, 220, 380, 440, 375, 440, 475, 853
Source: The World Almanac
Transcript text: Source USA TODAY
9. Airplane Seats The maximum number of seats in various models of passenger airplanes is shown. Find the mean, median, mode. and midrange for the data.
\[
\begin{array}{llllllllll}
132 & 156 & 180 & 220 & 380 & 440 & 375 & 440 & 475 & 853
\end{array}
\]
Source: The World Almanac
Solution
Solution Steps
To solve this problem, we need to calculate the mean, median, mode, and midrange of the given data set.
Mean: Sum all the numbers and divide by the count of numbers.
Median: Sort the numbers and find the middle value. If the count is even, average the two middle numbers.
Mode: Find the number that appears most frequently.
Midrange: Average the maximum and minimum values in the data set.
Step 1: Calculate the Mean
The mean is calculated by summing all the values and dividing by the number of values.