Question Description
Week 1 Assignment
Assignment 1 Instructor Comments:
1. Answers to this question are all in the book.
2. Add up how many of each age shows up.
3. Use scatter charts and trend lines in Excel.
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)?
| Grading Criteria Assignments | Maximum Points |
| Meets or exceeds established assignment criteria | 40 |
| Demonstrates an understanding of lesson concepts | 20 |
| Clearly presents well-reasoned ideas and concepts | 30 |
| Uses proper mechanics, punctuation, sentence structure, and spelling | 10 |
| Total | 100 |
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