Need help with assignment 1 for week 1 in BA215 Business Statistics

Week 1 Assignment

Question 1

The following information regarding the ten richest Americans was reported in a recent issue of Forbes.

• How many elements are in the above data set?

• How many variables are in this data set?

• How many observations are in this data set?

• Which variables are categorical and which are quantitative?

Question 2

A sample of the ages of 10 employees of a company is shown below.

20 30 40 30 50
30 20 30 20 40

• Using a method of your choosing, construct a dot plot for the above data.

Question 3

The following data shows the price of PAO, Inc. stock over the last eight months.

• Develop a scatter diagram and draw a trend line through the points.

• What kind of relationship exists between stock price and time (negative, positive, or no relation)?