.com/common-assessment-delivery/sta rt/4561698640?action=onresume&s ubmissionid=383178694 Ch. 1 Test
9 of 10
11:01/01:15:00
POSSIBLE POINTS: 5
9.) Home Depot has 800 gallons of paint in the store (sold in 1 gallon cans). Each month it sells 65% of its stock and adds another 300 gallons.
a.) Write a recursive rule for the gallons of paint in stock at the end of each month.
to =
xeans +
b.) How many gallons are in stock at the end of the 5th month (us) when to = 800? (Round to nearest whole number)
gallons
c.) If the pattern continues, what is the long run value? (Round to nearest whole number)
Long Run =
2 3 4 5
6
7
8 9
10
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Each of the following data sets has a mean of x = 10. (i) 8 9 10 11 12 (ii) 7 9 10 11 13 (iii) 7 8 10 12 13 (a) without doing any computations, order the data sets according to increasing value of standard deviations. (i), (iii), (ii) (ii), (i), (iii) (iii), (i), (ii) (iii), (ii), (i) (i), (ii), (iii) (ii), (iii), (i) (b) why do you expect the difference in standard deviations between data sets (i) and (ii) to be greater than the difference in standard deviations between data sets (ii) and (iii)? hint: consider how much the data in the respective sets differ from the mean. the data change between data sets (i) and (ii) increased the squared difference îł(x - x)2 by more than data sets (ii) and (iii). the data change between data sets (ii) and (iii) increased the squared difference îł(x - x)2 by more than data sets (i) and (ii). the data change between data sets (i) and (ii) decreased the squared difference îł(x - x)2 by more than data sets (ii) and (iii). none of the above