2c. The table shows the number of canned goods Homeroom 101 collected in a
one-week period. Determine the mean absolute deviation for the set of data.
Round to the nearest hundredth if necessary,
Number of Canned Goods Collected
Room
57
52 40 42 37 54 47
101
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see explanation

step-by-step explanation:

a

(6r + 7) + (13 + 7r) ( remove brackets and collect like terms )

= 6r + 7 + 13 + 7r

= 13r + 20

b

remove brackets and collect like terms

13 - r - 1 + r

= 12 - r

c

remove brackets and collect like terms

= - 8 - r + 2r - 4

= - 12 + r

d

remove brackets and collect like terms

= 7r - - - 6r

[-   - = - - = - ]

= r -

4

step-by-step explanation: