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2 years ago

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The speed of 10 cars on a certain highway stretch was recorded below. If the mean of the data is 63.2 with a standard deviation

of 6.2, circle all data values with a z-score less than 0.5.
{49, 58, 60, 63, 64, 64, 65, 67, 70, 72}

1 answer:

AleksandrR [38]2 years ago

5 0

Answer: 58

Step-by-step explanation:

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Answer:

Part 1) $9x-7y=-25$

Part 2) $2x-y=2$

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Step-by-step explanation:

The complete answer in the attached file

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