ZMath 150  - Unit 30: Collecting, Analyzing, and Graphing Data

For problems #1 through #4, select the best type of graph for graphing the data described. Choose from:

Line                    Bar                    Circle                    Line Plot


1) Survey of the favorite animals at the zoo.

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2) Observe and record the time of day the animals sleep.

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3) Number of each type of animal in the zoo.

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4) Increase or decline of attendance at the zoo over the summer months.

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Now it’s your turn to collect some data. What do you think is the most popular color of cars? Predict what you think are the three most popular colors of cars and then test your theory to see if you are right.

5) What do you think the most popular color of cars is?

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Plan a table and collect data to support your prediction. Display the data in a chart. Make a graph that is appropriate for the data you collected. Answer the following questions about your data.

6) Where did you collect the data?

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7) What time of day did you collect your data?

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8) What was the tally of each color you observed?

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9) Describe your graph.

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10) Based on your results, what do you think are the three most popular colors of cars?

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Conduct another data collecting session. Collect your data in a different location and different time of day. Answer the questions below.


11) Where did you collect your data the second time?

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12) What time of day did you collect your data the second time?

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13) What was the tally of each color you observed?

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14) Describe your graph.

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15) Based on your results, what do you think are the three most popular colors of cars?

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16) Research your results on the Internet. See if you can find some research data that verifies your conclusions. What results did you find on the Internet? State the URL of the website where you found your information.

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17) What would be some reasons why the data you collected may not be the same as data collected nationally?

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Review

18) The perimeter of a rectangle is 50 inches. If the length of the rectangle measures 13 inches, what would the width of the rectangle be?

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19) Find the area of a triangle whose base in 34 feet and its height is 20 feet.

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20) True or False. A diameter is a chord that crosses the center of the circle.

21) On your computer find its calculator. It’s usually found in accessories. Switch the view to scientific mode by clicking on the view menu then scientific. Find “pi”. What are the first ten digits of “pi”. When finding the circumference of a circle we use “pi” rounded to the nearest hundredth. What value of “pi” do we use?

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22) How many centimeter cubes would it take to build a rectangular prism that is 9 cm long, 5 cm wide, and 4 cm tall?

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23)

If each line represents one unit, what are the coordinates of the red point? What are the coordinates of the green point?


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24) A measurement of a rectangular box is given as 48 cubic inches. The measure could represent the:

25)

Take a sheet of notebook paper and make a model of Jermaine’s experiment. Make sure to label the length of the sides of the paper to help you solve the problem. How big was the sheet when it was opened?


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