Introduction
Please watch this 3 minutes video below to get the overview of today's lesson.
Task
Date: 25 August 2021
Task: 2
Marks: 18
Watch the video below and answer the following questions.
Question 1
1. Mention and explain four measures of central tendency. (8)
Question 2
1. Organise the data below from ascending to discending order (2)
20 22 14 8 5 22 7 9 12 10 7
2. Calculate the following:
- Mean (3)
- Mode (2)
- Median (1)
- Range (2)
Process
Use the link and the video provided above to get more information on summarising data.
calculation of measures of central tendencies: https://intl.siyavula.com/read/maths/grade-10-mathematical-literacy/data-handling/12-data-handling-06
Evaluation
| QUESTION 1 |
1 term with no description (1 mark) 2 terms with no descriptions (2 marks) 3 terms with no descriptions (3 marks) 4 terms with no descriptions (4 marks) |
1 term with description (2 marks) 2 terms with descriptions (4 marks) 3 terms with descriptions (6 marks) 4 terms with descriptions (8 marks)
|
| QUESTION 2 |
Without formula: Mean = ( 3 marks) Median = ( 1 mark) no formula needed. mode = ( 1 marks) if picked two Range = ( 2 marks)
|
with formula: ( 4 marks) ( 1 mark)
( 2 mark) if picked one ( 3 marks )
|
| TOTAL | ...../11 | ...../18 |
Conclusion
Please learners you must fully understand the measures of central tendency, their formulas and the tools used to collect data.
please watch the video below to understand data collection tools.
Credits
watch this video with question paper revision on data handling.
Teacher Page
" it is key to do your best and the life will do the rest"
GOOD LUCK!!
Contact details
Siphenathi Putwana 219007853