In a recent survey of American teenagers, 44% of them chose pizza
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Answer: The variance of their weights = 9,752,155,009 kg.
Step-by-step explanation:
- The variance is the square of the standard deviation . it measures the spread between data values in a data set.
So if standard deviation of 10 subjects = 98753 kg
Then, variance =
Hence, the variance of their weights = 9,752,155,009 kg.
