10_u1_review.doc

# 10_u1_review.doc - Unit 1 Review Scientific Methods 1 The...

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Unit 1 Review: Scientific Methods 1. The following data are based on charges for membership in a CD purchasing club. Compact Discs 2.00 4.00 5.00 6.00 7.00 8.00 9.00 0.00 20.0 40.0 60.0 80.0 10.3±0.246 4.00±1.38 0.998 Slope Y Intercept C.O.R. Statistics: Data Set 1 a. What are the units of slope for this graph? b. What is the average price of a compact disc? c. What is the mathematical equation that states the relationship described by the graph? 2. The following data were collected during an experiment: Time (s) Mass (kg) Trial 1 Trial 2 Trial 3 Trial 4 5 10.2 9.5 10.5 10.3 10 15.3 15.6 15.2 15.4 15 23.4 24.5 23.8 23.1 20 35.0 35.8 35.2 35.4 a. Express the average time for each mass, using the correct number of significant figures. b.  Write a clear, English sentence that describes a general relationship between mass and time. ©Modeling Workshop Project 2006 1 Unit I Review v3.0

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3. The graph below shows the relationship between scores on the SAT exam and the number of  years students study science.
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