Analyzing Evidence Answers

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1
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Answers:
Data Set I: 190, 315, 198, 194, 200, 195, 540, 201, 197, 193 (“correct” value = 195):Outliers
Data Set II: 50, 49, 48, 51, 52, 50, 50, 49, 51, 53 (“correct” value = 65):Lack of accuracy
Data Set III: 12, 18, 9, 13, 14, 19, 11, 20, 19, 12 (“correct” value = 15):Lack of precision
2
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Lack of accuracyLack of precision✔ Outliers

Answers:
Data Set I: 190, 315, 198, 194, 200, 195, 540, 201, 197, 193 (“correct” value = 195):Outliers
Data Set II: 50, 49, 48, 51, 52, 50, 50, 49, 51, 53 (“correct” value = 65):Lack of accuracy
Data Set III: 12, 18, 9, 13, 14, 19, 11, 20, 19, 12 (“correct” value = 15):Lack of precision
3

Lack of precision✔ Lack of accuracyOutliers

A
Lack of precision
B
✔ Lack of accuracy
C
Outliers
4

✔ Lack of precisionLack of accuracyOutliers

A
✔ Lack of precision
B
Lack of accuracy
C
Outliers
5

Which of the following did you include in your answer? Select all that apply.

A
Conclusions can’t be trusted.
B
Experiment may not be repeatable.
C
Data may be incorrect.
D
Data may not reflect actual situation.
E
Data may not answer question asked.
F
Results may be biased.
7

Which of these reasons for critiquing a scientific argument did you include in your answer? Check all that apply.

A
Catches errors.
B
Gives confidence in final evidence.
C
Ensures that conclusions fit evidence.
D
Makes scientist convince other scientists.
E
Makes scientist check and justify own work.

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