AC9M7ST01Year 7StatisticsPractised on site

AC9M7ST01 — Year 7 Statistics

Official Curriculum Content Description:

acquire data sets for discrete and continuous numerical variables and calculate the range, median, mean and mode; make and justify decisions about which measures of central tendency provide useful insights into the nature of the distribution of data

Worked Examples (1)

Example 1Calculating the Mean
Find the mean of the following numbers: 6,1,2,36, 1, 2, 3.
Common mistake: Added the numbers but forgot to divide by the count
Correct Answer:33
Worked Solution:
1. Sum of the numbers = 1212. 2. Count = 44. 3. Mean = 12÷4=312 \div 4 = 3.

Ready to practise this descriptor?

Work through unlimited interactive questions for this curriculum skill, with instant answers and step-by-step methods.