1 year ago

A church group set off from their church at 10:00AM for the forest. The group noted that

Mathematics

1 answer:

Anna71 [15]1 year ago

6 0

Answer:

11l:50

Step-by-step explanation:

110 min = 1 hour and 50 minutes

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What value of x is in the solution set of 2x – 3 > 11 – 5x?

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3 years ago

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The number of hours of TV watched each week by 8 seventh grade students is shown below.

Vesnalui [34]

Answer:

(a)Mean=7 Hours

(b)Mean Absolute Deviation=2.5 Hours

Step-by-step explanation:

Given the number of hours of TV watched each week by 8 seventh grade students shown below.

11, 7, 9, 3, 3, 8, 10, 5

(a)Mean

$Mean=\dfrac{\text{Addition of all the terms}}{\text{Number of Terms}} \\=\dfrac{11+7+9+3+3+8+10+5}{8} \\=\dfrac{56}{8} \\$Mean Number of Hours=7$

(b)Mean absolute deviation

$M.A.D=\dfrac{|11-7|+|7-7|+|9-7|+|3-7|+|3-7|+|8-7|+|10-7|+|5-7|}{8} \\=\dfrac{4+0+2+4+4+1+3+2}{8} \\=\dfrac{20}{8}\\$Mean Absolute Deviation=2.5 Hours$ (c)The Mean Absolute Deviation tells us how far, on average, all values are from the mean. The Mean absolute deviation of 2.5 Hours tells us that each hour is on the average far from the mean number of hours by 2.5 Hours.