These are the test scores obtained by 16 students:
15, 26, 9, 45, 36, 20, 41, 39, 40, 23, 32, 18, 41, 34, 37, 31.
(a)[2]
Complete the stem-and-leaf diagram shown.
(b)[1]
Find the mode from the data.
(c)[1]
Find the median of the data.
(d)[1]
Find the range of the data.
(e)[2]
Complete the bar chart for the 16 students' test scores.
(f)[1]
Work out the percentage of students with a test score of $40$ or above.
Worked solution & mark scheme
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