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Sagot :
Using the Chebyshev's Theorem and the Empirical Rule, it is found that it is not possible that around 70% of data lie within x-2s and x+2s.
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- Distributions are classified as symmetric or not symmetric.
- If the distribution is not symmetric, Chebyshev's Theorem is used, which states that at least 75% of the measures are within 2 standard deviations of the mean.
- If the distribution is symmetric, the Empirical Rule is used, which states that around 95% of the measures are within 2 standard deviations of the mean.
Thus, from the above bullet points, at least 75% of the measures are within x-2s and x+2s, which means that the percentage of 70% is too small.
A similar problem is given at https://brainly.com/question/23612895
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