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Calcular la altura que podemos alcanzar con...
Mathematics, 25.01.2021 18:20 mhwalters
Background
Layout
12 13 14 15
6 7 8 9
Calcular la altura que podemos alcanzar con una escalera de 3 metros apoyada sobre la pared si la parte
inferior la situamos a 70 centímetros de ésta.
3m
70cm
Answers: 3
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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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At a book fair, joe bought 24 books at 3 for $5 and had $2 left. how much money did he have at first?
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