ss125
dav_r_
ss125.docx
Need to show the steps in getting to the answer for the below three questions.
Q 1
The following information regarding the ten richest Americans was reported in a recent issue of Forbes.
1. How many elements are in the above data set?
There are six elements
2. How many variables are in this data set?
There are six variables in this data set
3. How many observations are in this data set?
There are ten observations in this dataset
4. Which variables are categorical and which are quantitative?
Categorical variables are: Ranking, Age, Marital Status and Source
Quantitative variables are: Worth ($Billions)
Q 2
A sample of the ages of 10 employees of a company is shown below.
20 30 40 30 50 30 20 30 20 40
· Using a method of your choosing, construct a dot plot for the above data.
|
AGES |
EMPLOYEES |
|
1 |
20 |
|
2 |
30 |
|
3 |
40 |
|
4 |
30 |
|
5 |
50 |
|
6 |
30 |
|
7 |
20 |
|
8 |
30 |
|
9 |
20 |
|
10 |
40 |
Q 3. The following data shows the price of PAO, Inc. stock over the last eight months.
|
MONTH |
PRICE ($) |
|
1 |
2.08 |
|
2 |
2.00 |
|
3 |
2.03 |
|
4 |
1.91 |
|
5 |
1.88 |
|
6 |
1.87 |
|
7 |
1.7 |
|
8 |
1.67 |
1. 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)? The relationship between the price of stocks and time is that "price of stocks decreases as time increases", meaning that the price is negative.
Graph
EMPLOYESS 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 20.0 30.0 40.0 30.0 50.0 30.0 20.0 30.0 20.0 40.0
