The weekly salaries (in dollars) for 7 employees of a small business are given below. (Note that these are already ordered from least to greatest.) 522, 718, 818, 827, 847, 905, 984 Suppose that the $ 522 salary changes to $683 .

(a) What happens to the median?

It stays the same  ⇒ $827

(b) What happens to the mean?

It increases by  $23

Step-by-step explanation:

$522, $718, $818, $827, $847, $905, $984

median = the median is the number in the middle = $827

mean = ($522 + $718 + $818 + $827 + $847 + $905 + $984) / 7 = $803

$683, $718, $818, $827, $847, $905, $984

median = the median is the number in the middle = $827

mean = ($683 + $718 + $818 + $827 + $847 + $905 + $984) / 7 = $826

the mean is the average salary, since the salary of one of the employees increases, the average salary will also increase.

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step-by-step explanation:

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on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

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