For the Following Frequency Distribution (Assume the Data Represent a Population)

question 51

Essay

For the following frequency distribution (assume the data represent a population), $$\begin{array} { l r } \text { Class } & \text { Frequency } \\70 - 79 & 5 \\80 - 89 & 9 \\90 - 99 & 11 \\100 - 109 & 9 \\110 - 119 & 6\end{array}$$ ​
a.
Compute the mean.
b.
Compute the standard deviation.

---

Definitions:

Receive Payments

The process of collecting money from customers or clients against invoices or bills, marking them as paid.

Pay Bills

The action of settling obligations or invoices owed to suppliers by a business, often through a specific module or function within accounting software.

Financial Institutions

Organizations that provide financial services, such as banks, credit unions, and insurance companies.

Tax Agencies

Governmental organizations responsible for the administration and collection of taxes and enforcement of tax laws.