WALT: find the mean, median and mode from a frequency table
Transcript WALT: find the mean, median and mode from a frequency table
WALT: find the mean, median and mode
from a frequency table (Grade D/C)
Can you guess the English version of these mathematical words?
Write the prime factors of 160.
Order the following from smallest to largest.
Given that 6.3 × 2.7 = 17.01 work out:
63 × 27
b) 630 × 2.7
Write 1.25 × 10−7 as a regular
Work out the value of 8
Expand 𝑥 + 3 2𝑥 + 3 .
Factorise 𝑥 2 + 5𝑥 + 6.
Factorise 𝑥 2 − 64.
Change the subject of this
formula to 𝑦.
4𝑦 + 𝑝
Write down all the possible integer
values of 𝑥 in these inequalities.
−3 < 𝑥 ≤ 5
are going to review how to analyse data using
a frequency table.
To succeed: you will know how to find the mean and
mode from a grouped frequency table.
To excel: you will know how to find the class that
contains the median from a grouped frequency
Challenge: to use a frequency table to present the
data in a cumulative frequency diagram.
It’s the year 2033…
…and how exciting! It’s our 20year 11S-Ma2 class reunion!
Many of you have careers, spouses and childrenwhich means a lot of data for me!
Being the extremely cool mathematician that I am
I decide to analyse some of this data.
First, I want to find out the average number of
children that my students have had.
Next, I would like to find out the
average age of the children.
What makes analysing this data
of you has a number 1-3.
must group yourself so you have 1 of
Together, try and answer the exam
question on finding averages from a
Question 1- 3 marks
Question 2- 5 marks
Try it yourself…