Data Analysis Answers

Ricardo is on vacation, doing some mountain climbing. He notices that the higher he goes up a mountain, the colder he feels. He remembers his physics teacher teaching about these types of relationships.

Mr. Nakamora wants to test the accuracy of an old balance in his classroom compared to a brand-new balance that he knows is accurate. He weighs an object on the old balance and finds it to have a mass of 15.6 grams. The same object weighs 15.9 grams on the brand-new balance.

Carlos is analyzing the results of a recent scientific study about gravity. Scientists recorded that the experimental value of gravity was 10.24 m/s² and the general accepted value of gravity is 9.81 m/s².

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This direct relationship graph shows that the position of the car as time elapses.

A space shuttle was launched from the Earth to the moon. The average, or accepted, value of the distance of the Earth to the moon is 238,857 miles, but the shuttle crew recorded that their trip took 226,316 miles.

Priya is conducting a density experiment in which the density of a metal is calculated by the formula density = mass/volume. She tests six different metals with volumes between 15 and 32 cubic centimeters (1 cc3 = 1 mL) by first weighing each, and then dropping them into a graduated cylinder with 50.0 mL of water in it and recording the amount of water displaced by reading the new volume off the cylinder.

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Suzette had prepared the graph below to add to her lab report regarding position of a car versus time spent traveling.