Graph it up practice test

Answer the following questions on a piece of paper. Check your answers with the key at the bottom of the page.

Convert the following.

1. 52 mm --> ___km
2. 60 cm --> ___ mm
3. 7.3 km --> ___ hm
4. 0.023 dm --> ___ m
5. 48.5 g --> ___ kg

6. Fill in the EDB bellow with the information given in the following scenario. Do not worry about the # of trials.

Description: Erica’s chemistry class was studying a unit on acids and bases. They investigated the amount of vitamin C in a solution. Erica’s laboratory group decided to experiment with the amount of vitamin C in types of orange juice. The types of orange juice they experimented with were fresh, frozen, and bottled. They collected 100 mL of fresh squeezed juice. They mixed up 100 mL of frozen juice as directed on the package. They purchased 100 mL of orange juice from the vending machine in the cafeteria. Using an established procedure, the students measured the milligrams of vitamin C in each sample of juice.

Fill in the EDB bellow with the information given above. Do not worry about the # of trials.

Graphing basics:

7. We always plot the _______________ on the X-axis.
8. We always plot the _______________ on the Y-axis.
9. If the independent variable is a quantitative observation, the we use a _______ graph.

10. What basic type of relations are shown below?

Graph interpretation:

Using the above graph answer the following questions.

11. What is the graph showing?
12. How many millions of dollars of sales did Play Station make at its highest point.
13. What do you think contributed to the sharp rise in Play Station sales in the fall?
14. What would you expect the graph to look like in 2002?

Safety Review

Review your SSCC, and class rules from your disclosure sheet.

Answers:

1. 0.000052 km
2. 600 mm
3. 73 hm
4. 0.0023 m
5. 0.0485 kg

6.

7. Independent variable
8. Dependent variable
9. line graph
10.
a. direct
b. indirect
c. constant
11. Dollars of sales of Play Station 2 verses the months of the year in 2001.
12. Around 90 million dollars.
13. Christmas sales (remember that fall ends on December 21st.)
14. Roughly the same, hopefully a little higher dollar amounts.
15. Review SSCC and class rules.