Short Answers of Statistics (Mathematics B /4MB1

 Statistics (2014-2016)

1.   (a) 6 (b) 5.5  (c)  5.53
2.   (a) 10 (b) $12.4 \quad $
3.   (a) 5 (b) 6 (c) 7
4.   (a) $14 \quad$ (b) $16.5 \quad$
5.   (a)(i) 5 (ii) 4.5 (b) $72 \quad $
6.   (a) $ 7.2 $ (b) $ 7.3$ 
7.   (a) 720 calls (b) 76 deli calls
8.   (a) $£ 1160000$ (b) $5.83 \%$
9.   (a) $14760 \quad$ (b) 205
10.   $126^{\circ} \quad$
11.   $93^\circ \quad$
12.   (a) 2 (b) $4 $ (c) $\frac{71}{20}$ 
13.   (a) 12,45,50,40 (b) $ 20 \% \quad$
14.   (a) $ 40,60 $ (b) $ 0.5,7 $
15.   $22,48,20$
16.   $70,6$ , histogrom
17.   $12,14,5,1 \quad$
18.   (a) $58$ minutes (b) Heights $\frac{1}{3}, 1.4,4.5,2.7$ and 3.2 (c) $\frac{96}{200}$
19.   (a) $20,6,16 \quad$ (b) $\frac{44}{60} \quad $
20.   (a) histogram (b) 43 years
21.   (a) 5.52 (b) 6,3,2
22.   (a) $46.2 \mathrm{~km} / \mathrm{hr}$ (b) $\frac{37}{100}$ (c) histogram  (d) $\frac{x-4}{x-1}$
23.   (a) $\quad 40<L \leqslant 65$ (b) 49 (c) histogram