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Course: Statistics and probability?>?Unit 3
Lesson 2: More on mean and median- Calculating the mean: data displays
- Calculating the median: data displays
- Comparing means of distributions
- Means and medians of different distributions
- Impact on median & mean: removing an outlier
- Impact on median & mean: increasing an outlier
- Effects of shifting, adding, & removing a data point
- Mean as the balancing point
- Missing value given the mean
- Missing value given the mean
- Median & range puzzlers
- Median & range puzzlers
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Effects of shifting, adding, & removing a data point
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Problem
Mariah works at a zoo. She was looking at some data showing the masses of their African elephants. The mean mass of the elephants was , and the median mass was . The heaviest elephant, named Omar, was recorded as .
Mariah found out that Omar's mass was recorded incorrectly, and that Omar actually weighed .
How will Omar's mass increasing affect the mean and median?