9 The table shows the number of books read by four people in one month.
Person
Number of books
Ximena
7
Martha
9
Kezia
1
Tabby
5
(a) Work out the median number of books. (2)
(b) Find the range. (1)
(c) On the grid, draw a bar chart to show the information in the table.(3)
Mark scheme (a)
Answer
Mark
Mark scheme
6
M1
for ordering the numbers or showing a complete method of \((5+7) \div 2\)
A1
cao
Mark scheme (b)
Answer
Mark
Mark scheme
8
B1
cao
Mark scheme (c)
Answer
Mark
Mark scheme
Bar chart
B1
for correct person labels or a linear scale
M1
for correct bars showing information for at least 2 people
A1
for a fully correct bar chart with linear scale of numbers on the vertical axis and a set of person labels on the horizontal axis
Additional guidance
Accept key in place of labels Accept unambiguous abbreviations eg Frequency or Number, X,M,K,T Condone bars of varying widths Condone no gaps or inconsistent gaps
