Question 9: Barnaby has 288 counters in a bag.
The counters are red, yellow and white.
of the...
Mathematics, 16.05.2021 23:50 hayesvolcano
Question 9: Barnaby has 288 counters in a bag.
The counters are red, yellow and white.
of the counters are red.
8
The other counters are yellow and white in the ratio 1:4
Work out how many counters of each colour there are.
Answers: 1
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What is the volume of a rectangular prism if the length is 10.4 mm the width is 5 mm in the height is 8 mm
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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
Answers: 2
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