0580 P43 - Jun 2021 - Q3 - 15 marks
12888
Zoe’s scores: 6, 7, 7, 7, 8, 9, 9, 10, 10.
| Score | 5 | 6 | 7 | 8 | 9 | 10 |
|---|---|---|---|---|---|---|
| Frequency | 3 | 10 | 43 | 75 | 48 | 21 |
(a(i)) Find the range of Zoe’s scores. [1]
(a(ii)) Find the mode. [1]
(a(iii)) Find the median. [1]
(b(i)) Use the time diagram to estimate the median time. [1]
(b(ii)) Estimate the interquartile range. [2]
(c) Find the mean of the 200 test scores in the table. [3]
(d) Estimate the mean height of the 200 plants. Show working. [6]
