Class Activity

Name ______Page 1 of 5

Class Activity (Student Handout 3)

Part I – Graphs

1. Now compare each of your graphs. Each group should discuss the similarities and difference of their graphs List three things that are the same or similar for each of the graphs in your group.

2. Next list three things that are that are different for each of the graphs.

Part II – Percent increase/decrease

3. For your Financial stock answer the following.

a. What was the price on the first day you started recording data?

b. What was the price on the last day you stopped recording data?

c. Did the price increase or decrease when you compare the first day to the last day?

d. What is the range between the price on the first day and the last day?

e. Calculate the percent increase or the percent decrease when you compare the stock price on the first day with the last day.

f. What is the highest price? When did this occur? Name ______Page 2 of 5

g. What is the lowest price? When did this occur?

h. What is the range between these prices?

i. If the highest price occurred before the lowest price, then find the percent decrease from the highest to the lowest.

j. If the lowest price occurred before the highest price, then find the percent increase from the lowest to the highest.

4. For your Pharmaceutical stock answer the following.

f. What is the highest price? When did this occur?

j. If the lowest price occurred before the highest price, then find the percent increase from the lowest to the highest. Name ______Page 3 of 5

5. For your Retail stock answer the following.

f. What is the highest price? When did this occur?

j. If the lowest price occurred before the highest price, then find the percent increase from the lowest to the highest.

Part III – Statistics

6. What is the mean price for each of the stocks in your group?

a. Stock 1 Financial

b. Stock 2 Pharmaceutical

c. Stock 3 Retail Name ______Page 4 of 5

7. Compare each stock’s mean price in your group. What was the highest mean price?

8. What is the median price for each of the stocks in your group?

c. Stock 3 Retail

9. Compare each stock’s median price with others in your group. What is the highest median price?

10. What is the mode (if any) price for each of the stocks in your group?

c. Stock 3 Retail

11. Compare each stock’s mode (if any) price with others in your group. What is the highest mode price?

Part IV – Application

12. If 100 shares of each stock were purchased on the first day, then what was the cost for each stock?

c. Stock 3 Retail Name ______Page 5 of 5

13. If the 100 shares of each stock were sold on the last day, how much was receive for each stock?

c. Stock 3 Retail

14. Did you make money or lose money on each stock?

15. Overall did you make or lose money?

16. Compare each of your profits or losses with each member in your group. Which stock earned the most money?

c. Stock 3 Retail