Hypothesis Testing

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Hypothesis Testing

• compare the probe to the Winkler testing kit by
  averaging across the two ponds
• what do you think?

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Hypothesis Testing

• compare the DO from the two different ponds by
  averaging the DO measured by the probe and the
  Winkler kit
• what do you think?

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Presenting Final Values

• which of the following are correct?
• 201 8.8 mg/L
• 201.45 8.8 mg/L
• 201.4 8.8 mg/L
• 201.4 8.84 mg/L
• 201.4 9 mg/L
• 201 8.84 mg/L

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Presenting Final Values

• where should the units go?
• 201.4 mg/L 8.8
• 201.4 8.8 mg/L

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Data Interpretation

• what does the following mean?
• 0.56 0.63 mg/L