18
15
1.0
5
Correct answer is C
Mean \(\bar{x}\) = \(\frac{156}{10}\) = 15.6
Median = \(\bar{y}\) = \(\frac{15 + 16}{2}\)
\(\frac{31}{2}\) = 15.5
\(\frac{x}{y}\) = \(\frac{15.6}{15.5}\) = 1.0065
1.0(1 d.p)
Calculate, correct to three significant figures, the length AB in the diagram above. ...
In how many ways can 9 people be seated if 3 chairs are available? ...
From the graph determine the roots of the equation y = 2x2 + x - 6 ...
Convert the decimal number 89 to a binary number ...
Solve for k in the equation \(\frac{1}{8}^{k+2}\) = 1...
Find the 5th term of the sequence 2,5,10,17....? ...