HKCEE - 2006 - Paper 1 -

Ans: (a) $35^\circ$ (b) $\$18\ 000$ (c) $\$1\ 750$

1. $\begin{

Ans: (a) (i) Class $A$: $21\text{ marks}$, class $B$: $14\t

Ans: B
I is not true. The mean of the numbers in group 1

$\begin

Ans: C
The inter-quartile range of their weights

$\begin{a

Ans: B
According to the given figure, the crosses move down a

Ans: D
The mean of the five numbers

$\begin{array}{cl}
= �

Ans: Median $=67\text{ kg}$, range $=25\text{ kg}$, stand

Ans: (a) $7$ (b) $40$ (c) $\dfrac{1}{10}$ (d) Pie chart: no;

Ans: C
Since the mode of the seven numbers is $8$, then $a=b=8

Ans: B
I cannot be determined. Since we cannot read the two me

Ans: C
According to the following figure, the answer is C.

Ans: (a) $a=4$, $b=21$, $c=3$ (b) Mean $=3.276\text{ kg}$,

Ans: (a) (i) $\dfrac{3}{5}$ (ii) (1) $\dfrac{4}{21}$ (2) $

Ans: D
I must be true. The range of $A$

$\begin{array}{cl}
= &

Ans: A
First, we divides the region under the frequency curv

Ans: A
The diagram of A shows the relation that $y$ increases

Ans: A
I is false. The number of cars sold for Brand $B$ is $40$

Ans: (a) Median $=26\text{ words per minute}$, range $=27\

Ans: C
Let $x\text{ cm}$ be the mean height of the boys. Hence

Ans: C
I is false. The range

$\begin{array}{cl}
= & 36 &