NARRBEGIN: Salaries of Employees
Salaries of Employees
the Following Data

question 239

Essay

NARRBEGIN: Salaries of Employees
Salaries of Employees
The following data represent the yearly salaries (in thousands of dollars) of a sample of 13 employees of a firm: 26.5, 23.5, 29.7, 24.8, 21.1, 24.3, 20.4, 22.7, 27.2, 23.7, 24.1, 24.8, and 28.2.NARREND
-A mutual fund you purchased in the years 2011-2014 has the following rates of return shown below:
$$\begin{array} { | l | c | c | c | c | } \hline \text { Year } & 2011 & 2012 & 2013 & 2014 \\\hline \text { Rate of Return } & .50 & .30 & - .10 & - .15 \\\hline\end{array}$$ Compute the geometric mean.

---

Definitions:

Sample Variance

The measure of dispersion within a sample data set, indicating how much the sample points deviate from the sample mean.

Confidence Interval

A series of values, calculated from sample measurements, speculated to hold within it the unknown parameter of a population.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values.

Sample Mode

The value that appears most frequently in a given set of data from a sample.