Price-earnings ratios. Find the mean, median, and mode for the data in the following table.
\begin{tabular}{|r|r|r|r|}
\hline \multicolumn{4}{|c|}{ Price-Earnings Ratios for Eight Stocks in a Portfolio } \\
\hline 6.2 & 9.1 & 18.1 & 33.6 \\
\hline 12.2 & 8.5 & 9.1 & 16.4 \\
\hline
\end{tabular}
The mean is approximately 14.15 . (Round to two decimal places as needed.)
The median is 10.65 .
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
A. The mode(s) is/are $\square$.
(Use a comma to separate answers as needed. Type an integer or a decimal. )
B. There is no mode.
Answer
Therefore, the mode of the data set is 9.1.
Step 1 ：Given the price-earnings ratios for eight stocks in a portfolio are 6.2, 9.1, 18.1, 33.6, 12.2, 8.5, 9.1, and 16.4.
Step 2 ：To find the mode, we need to identify the number that appears most frequently in the data set.
Step 3 ：From the given data, we can see that the number 9.1 appears twice, while all other numbers appear only once.
Step 4 ：Therefore, the mode of the data set is 9.1.
