Question

The correct line plot and range for the given data is

• A. Plot 1; Range = 2m
• B. Plot 2; Range = 2m
• C. Plot 1; Range = 0.2m
• D. Plot 2; Range = 0.3m

Answer 1

The correct option is C Plot 1; Range = 0.2m

$\text{Converting the fraction}\frac{9}{5}\text{to decimal,}\text{we get:}$

$\frac{9}{5}=\frac{9\times 2}{5\times 2}=\frac{18}{10}=1.8$

$\text{Now, the values in the table are:}$

Number of students	3	2	4
Height (in m)	1.6	1.7	1.8

$\text{Plotting this data on a line plot, we get:}$


$\text{Range is the difference between the}\text{observation of the highest value and the}\text{observation of the lowest value.}$

$\therefore \text{The range for the line plot is:}$

$Range\left(spread\right)=1.8-1.6=0.2m$