The mean of 4, 6 and 8 is 6 and the median of 3, 8, 5, 2 and 7 is 5, so this Year 7 sheet opens by averaging and by ordering for the middle value. The key records 5 and 3 as mode answers and 40 as a sum.
Key Takeaways
The mean of 4, 6 and 8 is 6 (Q1).
The median of 3, 8, 5, 2 and 7 is 5 (Q2).
Q3 records 5 as the mode answer.
Section A: Multiple Choice Questions (1 Mark Each)
Choose the correct option for each question.
1.The mean of the numbers 4, 6 and 8 is
(a) 4(b) 6(c) 8(d) 18
2.The median of the numbers 3, 8, 5, 2 and 7 is
(a) 3(b) 5(c) 7(d) 8
3.The mode of the data 2, 5, 5, 7, 5, 9 is
(a) 2(b) 5(c) 7(d) 9
4.The mean of the numbers 1, 2, 3, 4 and 5 is
(a) 2(b) 3(c) 4(d) 5
5.The range of the data 3, 9, 4, 12, 7 is
(a) 3(b) 7(c) 9(d) 12
6.If the mean of 4 numbers is 10, then their sum is
(a) 10(b) 40(c) 2.5(d) 14
Section B: Short Answer Type Questions (2 Marks Each)
Show all steps clearly.
7.Find the mean of 5, 7 and 9.
8.Find the median of 1, 4, 2, 6 and 3.
9.Find the mode of 4, 4, 5, 6, 4 and 7.
10.Find the range of 2, 9, 5 and 12.
11.Write the formula for the mean of a set of numbers.
12.Find the mean of 2, 2, 2, 2 and 2.
13.Find the median of 4, 8, 6, 10 and 12.
14.What is the mode of 3, 3, 3 and 3?
Section C: Numericals & Word Problems (3 Marks Each)
Apply the concepts to solve the problems. Show all working.
15.The heights of 5 students are 150 cm, 152 cm, 148 cm, 155 cm and 160 cm. Find the mean height.
16.A student scored 70, 80 and 90 in three tests. Find the mean score.
17.The ages of 5 children are 8, 10, 9, 11 and 12. Find the median age.
18.The shoe sizes of 6 people are 7, 8, 7, 9, 7 and 8. Find the modal size.
19.The daily temperatures over 7 days were 28, 30, 29, 31, 30, 28 and 29 °C. Find the mean temperature.
20.The data set is 5, 9, 3, 8 and 12. Find the range.
Answer Key
1. b) 6
2. b) 5
3. b) 5
4. b) 3
5. c) 9
6. b) 40
7. Refer to solution guide.
8. Refer to solution guide.
9. Refer to solution guide.
10. Refer to solution guide.
11. Refer to solution guide.
12. Refer to solution guide.
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20. Refer to solution guide.
End of Worksheet
People Also Ask
What is the mean of 4, 6 and 8?
6, option (b) in this worksheet (Q1).
What is the median of 3, 8, 5, 2 and 7?
5, option (b) in this worksheet (Q2).
What is the mode of 3, 3, 5, 7, 5?
Recorded as 5, option (b) in this worksheet (Q3).
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