How many lines of symmetry does this pair of scissors have?
1 answer:
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Answer:
The correct option is 2. The mean decreases, and the median remains the same.
Step-by-step explanation:
The formula of mean is
Since the person earning $15 per hour quits and is replaced with a person earning $8 per hour, therefore
Since sum of employees earnings decreased by $7, therefore the mean will decreases.
In a box plot the line inside the box represent the median.
From plot 1 we can say that the median is 9.5. From plot 2 we can say that the median is 9.5.
Therefore the median remain the same.
Option 2 is correct, the mean decreases, and the median remains the same.
U just have to move over the 3 to the right side and minus, and voilaa the answer is B. Have a great day!
