a. Question: The following temperatures were observed in New York City on an Aug

Question

a.

Question:The following temperatures were observed in New York City on an August day in 2015:87, 85, 80, 83, 91, 86, 79, 89 What is the mean temperature?

b.Question:
A set of class grades include the following: 69, 74, 91, 62, 85, 96, 75, 81, 98, 71, 77 What is the median grade?

C. Question:
What is the mode in the following set of data?
33, 7, 85, 14, 62, 47, 25, 71, 37, 5, 14, 61

d. Question:

Find the range for the following group of salaries:
$31,000, $37,000, $49,000, $28,000, $52,000, $44,000, $57,000, $27,000, $33,000, $58,000, $29,000, $54,000

Please provide steps

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Explanation / Answer

a). mean temperature=sum of temperatures/number of temperatures=(87+85+80+83+91+86+79+89)/8=680/8=85

b) arrange class grades in ascending order as follow

62, 69, 71, 74, 75, 77, 81, 85, 91, 96, 98

median is middle number=77

c) mode is the value that occurs most often

in the given sequence 14 occurs two times remaining all numbers occurs once so mode=14.

d) range is difference between highest and lowest numbers=58000-27000=$31,000

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