Calculating means and ranges
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Last updated 3 months ago
25 questions
1
What is the mean of these results: 8, 10, 12, 14, 16?
What is the mean of these results: 8, 10, 12, 14, 16?
1
A student measures the height of a plant on five days: 12 cm, 15 cm, 14 cm, 16 cm, and 13 cm. Calculate the mean height.
A student measures the height of a plant on five days: 12 cm, 15 cm, 14 cm, 16 cm, and 13 cm. Calculate the mean height.
1
The mean is calculated by:
The mean is calculated by:
1
What is the range of these results: 5, 7, 9, 6, 8?
What is the range of these results: 5, 7, 9, 6, 8?
1
How do you calculate the range of a set of results?
How do you calculate the range of a set of results?
1
A student records temperatures of 12°C, 14°C, 15°C, 16°C, and 13°C. What is the mean temperature?
A student records temperatures of 12°C, 14°C, 15°C, 16°C, and 13°C. What is the mean temperature?
1
Why is it useful to calculate the mean of a set of results?
Why is it useful to calculate the mean of a set of results?
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If one result in a set is much larger or smaller than the others, this is called:
If one result in a set is much larger or smaller than the others, this is called:
1
A scientist records five measurements: 2.1 g, 2.4 g, 2.3 g, 2.2 g, and 2.5 g. Calculate the range.
A scientist records five measurements: 2.1 g, 2.4 g, 2.3 g, 2.2 g, and 2.5 g. Calculate the range.
1
What does a larger range in a data set suggest?
What does a larger range in a data set suggest?
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What is an anomaly in a scientific investigation?
What is an anomaly in a scientific investigation?
1
An anomalous result is:
An anomalous result is:
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Why should scientists look for anomalies in their data?
Why should scientists look for anomalies in their data?
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A student records the following results: 22, 24, 21, 23, 45. Which result is likely to be an anomaly?
A student records the following results: 22, 24, 21, 23, 45. Which result is likely to be an anomaly?
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If an anomaly is identified, a scientist should:
If an anomaly is identified, a scientist should:
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How can you tell if a result is anomalous in an experiment?
How can you tell if a result is anomalous in an experiment?
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Anomalies in data can be caused by:
Anomalies in data can be caused by:
1
How should a scientist handle an anomaly in their data?
How should a scientist handle an anomaly in their data?
1
A student measures the mass of five objects: 1.2 g, 1.3 g, 1.4 g, 3.5 g, and 1.3 g. Which value is an anomaly?
A student measures the mass of five objects: 1.2 g, 1.3 g, 1.4 g, 3.5 g, and 1.3 g. Which value is an anomaly?
1
Why should scientists repeat their experiments?
Why should scientists repeat their experiments?
1
If a scientist repeats an experiment and gets very different results each time, what does this suggest?
If a scientist repeats an experiment and gets very different results each time, what does this suggest?
1
A scientist records results for the rate of reaction in an experiment. They repeat the experiment three times and get similar results. What does this suggest about their data?
A scientist records results for the rate of reaction in an experiment. They repeat the experiment three times and get similar results. What does this suggest about their data?
1
If an experiment is repeated multiple times and the results are very similar, this means the experiment is:
If an experiment is repeated multiple times and the results are very similar, this means the experiment is:
1
Which of the following best improves the reliability of an experiment?
Which of the following best improves the reliability of an experiment?
1
Why is it important to have reliable data in scientific investigations?
Why is it important to have reliable data in scientific investigations?