# Exercise Week 3

**Topics:**Normal distribution, Median, Standard deviation /

**Pages:**2 (550 words) /

**Published:**Oct 14th, 2013

Use the Comp data for answering the following questions. This data set has 222 observations (employee data from a company) and nine variables as described below:

Variable Name Description

Employee Number ID Identification numbers 1 to 222

Age Age Employee age in years

Gender SEX 0=male, 1=female

Annual Salary Salary Yearly wages in thousands of dollars

Prior Experience Prior Experience prior to joining this company (in years)

Education Educ 1 to 5 where 1=less than HS and 5=post graduate

Computer Expertise COMP 1=Expert, 0=not an expert

Grade Grade Job classification (1 to 6, 1=low, 6=high)

Experience EXPERI Experience at this company (in years)

3. Explore the distribution of the Age variable via histogram and moments. Overlay a Normal curve on the