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the bar graph to the right shows the number of hours Chloe spent reading for the reading contest. (since there is no bar graph I'll just write it down.)  Sunday 4 hours,Monday 2 hours,Tuesday 3 hours,Wednesday 1 hour, Thursday 5 hours,Friday 0 hours ,And Saturday 5 hours.
Find the mean time spent reading.

Sagot :

Mean is also known as the average.

The formula for finding the mean is [tex] \frac{x_{1} + x_{2} + x_{3} + ... + x_{n} }{n} [/tex]

Mean time reading = (4 + 2 + 3 + 1 + 5 + 0 + 5) / 7

= 20/7

≈ 2.86 hours