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Nina [5.8K]
2 years ago
9

A hardware store has three locations: West, North, and South. The hardware store counted the number of bags of salt sold at each

of the three locations each day for a month. This table shows the mean and the mean absolute deviation of the number of bags of salt sold each day. Which statements are correct? Select each correct answer. The number of bags of salt sold at West varied more than did the number sold at North. The number of bags of salt sold at West varied less than did the number sold at South. The number of bags of salt sold at North and South varied about the same amount. The number of bags of salt sold at West and South varied about the same amount. Store location Mean number of sales Mean Absolute Deviation West 48 3.1 North 49 6.7 South 28 6.9
Mathematics
1 answer:
Ronch [10]2 years ago
4 0
40 and 5.5 if u don’t round
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The empirical rule states that for a normal distribution most of the data fall within three standard deviations (σ) of the mean (µ). That is  68% of the data falls within the first standard deviation (µ ± σ), 95% falls within the first two standard deviations (µ ± 2σ), and 99.7%  falls within the first three standard deviations (µ ± 3σ).

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