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Analyzing Data and Drawing Conclusions Answers

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1
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A geologist and a biologist performed an experiment together and examined the data. Each scientist formed a different conclusion. Both conclusions were supported by the evidence. How is this possible?

A
Both conclusions are the same but have different wording.
B
If more than one conclusion is supported, the hypothesis is invalid.
C
There can be alternate explanations for the same evidence.
D
Each conclusion is based on different data.
2
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Why are graphs useful when interpreting data?

A
They make trends in the data easier to see.
B
They are easier to create than data tables.
C
They take the place of pictures in a report.
D
They can be used to show additional data.
6

Denise was measuring the effect of temperature on the amount of dissolved oxygen that water can hold. She hypothesized that as water temperature increases, the amount of oxygen that is dissolved in water increases. Her data are shown in the table below.Water temperature (ºC)Dissolved oxygen (mg/L)512.51011.01510.2209.1258.3Which conclusion did Denise most likely write in her lab report?

A
The data did not support the hypothesis because the amount of dissolved oxygen decreased as water temperature increased.
B
The data did not support the hypothesis because the amount of dissolved oxygen increased as water temperature increased.
C
The data supported the hypothesis because the amount of dissolved oxygen decreased as water temperature increased.
D
The data supported the hypothesis because the amount of dissolved oxygen increased as water temperature decreased.
7

How can evidence from an experiment be explained in relationship to the hypothesis?

A
as a prediction
B
as a question
C
as an inference
D
as a conclusion
8

A good conclusion restates the hypothesis so that the reader

A
does not have to return to the beginning of the report.
B
sees how the scientist applied the results to the hypothesis.
C
understands how the methods relate to the hypothesis.
D
recognizes that the hypothesis was correct.

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