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The number of offspring that female blue whales have follows a skewed right distribution.

The number of offspring that female blue whales have follows a skewed right distribution. Fifty years ago, researchers tagged ten female blue whales from birth and counted how many offspring each had over her lifetime. Now researchers want to get similar data to determine if the average number of offspring may be decreasing due to global warming or other environmental changes.

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  • why would an approach using nonparametric statistics would be appropriate?
  • what specific test might you use to test whether the average number of offspring has changed over the years and why would this test be applicable?
  • What is a scenario where you may need to use nonparametric statistics in daily life and why?

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