Question
(a) Explain the difference between class limit and class boundaries. [2 marks] (b) Use the frequency...
(a) Explain the difference between class limit and class
boundaries. [2 marks]
(b) Use the frequency table, Table 1, overleaf to answer the
following questions:
Table 1
|
X |
f |
|
0-9 |
3 |
|
10-19 |
14 |
|
20-29 |
11 |
|
30-39 |
5 |
Question 7
Use Table 1 above to calculate:
(a) the mean [3 marks]
(b) the median [4 marks]
(c) the mode [4 marks]
(d) the first quartile [4 marks]
(e) the standard deviation. [3 marks]
Homework Answers
Answer #1
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