Year 9 Statistics
Week beginning 20th July
This week's video seminar
Scroll down for this week's tasks.
Learning intentions
To identify the class interval that contains the median from a grouped frequency table
To estimate the mean from a grouped frequency table
Total study time this week: 1.5 hours
Office hours
If you have any questions or need support, please join our drop-in Q&A session on Google Meet at the time shown below.
Teacher: Mr P Crawford
Office hours: Tuesday 10am - 11am (click to join)
You can also email Mr Crawford at any time.
Tasks to be submitted by 4pm on Friday.
Activity 1 - Identifying the class interval that contains the median
Step 1: Make notes from THIS video, copying down all questions, steps and solutions. [10 mins]
Step 2: Copy and complete all questions below. Ensure your solutions are set out like the ones in the video. [25 mins]
Step 3: Mark your work in a different coloured pen using THIS document. [5 mins]
Task 2 - Estimating the mean from grouped frequency tables
Step 1: Make notes from THIS video, copying down all questions, steps and solutions. [15 mins]
Step 2: Copy and complete all questions below. Ensure your solutions are set out like the ones in the video. You may use a calculator. [40 mins]
Step 3: Mark questions 1 and 2 your work in a different coloured pen using THIS document. [5 mins]
Tasks from previous weeks
Attribution: The practice questions on this page are taken from Corbett Maths.