Try out our new practice tests completely free!
Solved

# Approximate the Sample Variance Given the Following Frequency Distribution $\begin{array} { c c } \hline \text { Class } & \text { Frequency } \\\hline 0 - 9 & 11 \\10 - 19 & 10 \\20 - 29 & 18 \\30 - 39 & 15 \\40 - 49 & 13 \\\hline\end{array}$

Question 31
Multiple Choice
Question 31
Multiple Choice

## Approximate the sample variance given the following frequency distribution. $\begin{array} { c c } \hline \text { Class } & \text { Frequency } \\\hline 0 - 9 & 11 \\10 - 19 & 10 \\20 - 29 & 18 \\30 - 39 & 15 \\40 - 49 & 13 \\\hline\end{array}$

A)13.5
B)181.5
C)178.8
D)13.4

Choose question tag

10+ million students use Quizplus to study and prepare for their homework, quizzes and exams through 20m+ questions in 300k quizzes.

### Statistics

Explore our library and get Introductory Statistics Homework Help with various study sets and a huge amount of quizzes and questions

Get Free Access Now!
Textbook Solutions

Find all the solutions to your textbooks, reveal answers you would’t find elsewhere

Search By Image

Scan any paper and upload it to find exam solutions and many more

Flashcards

Studying is made a lot easier and more fun with our online flashcards