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Biblioteka

Data in Real-world Contexts

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Posljednje ažuriranje about 4 years ago
2 questions
1
Pitanje 1
1.

Match the scenario cards to the correct frequency graphs.

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

This test resulted in a huge range of scores. Everyone could do something but nobody could do it all.

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This test did not sort out the stronger students from the weaker ones. They all got similar scores.

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In this test, the median score was greater than the mode score.

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In this test, the median score was smaller than the mode score.

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This was the sort of test where you could either do everything or you couldn’t get started.

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This test was much too difficult for most people.

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Two groups of students took the test. One group had studied the work for two years. The other group had only just begun.

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In this test, the median and the mode scores were the same. There was a very big range of scores.

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1
Pitanje 2
2.

Place the graphs into the categories in which they belong. Most graphs will be used twice. (Assume that the mean is a better measure of center if the graph is not skewed.)

  • The best measure of center to describe this graph is the mean.

  • The best measure of center to describe this graph is the median.

  • This frequency graph shows symmetric data.

  • This frequency graph shows data skewed to the left.