3 years ago

Please answer this question for brainliest!

Mathematics

1 answer:

astra-53 [7]3 years ago

8 0

The answer is 14.4 cm.

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Answer:

Step-by-step explanation:

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answer is A

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Mars2501 [29]

Answer:

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denpristay [2]

Answer:

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Step-by-step explanation:

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3 years ago

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This is the answer.

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2 years ago

An automobile shop manager timed 27 employees and recorded the time, in minutes, it took them to change a water pump. Assuming n

SSSSS [86.1K]

Answer:

Excel attached with the solution.

Step-by-step explanation:

Mean

$\bar{x}=\frac{\sum x_{i}}{n}$

Standard deviation

$sd=\sqrt{\frac{\sum (x_{i}-\bar{x})}{n-1}}$

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The formulas used are in the Excel file attached.

Download xlsx

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