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WALT: find the mean, median and mode from a frequency table (Grade D/C) Can you guess the English version of these mathematical words? frecuenci a modd moyen terme númerodurchschnitt airmheán

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10 Quick Questions Reviewing Higher Topics -In Pairs!

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Question 1... Write the prime factors of 160.

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Question 2...

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This lesson… We 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 table. Challenge: to use a frequency table to present the data in a cumulative frequency diagram.

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Its the year 2033…

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…and how exciting! Its our 20- year 11S-Ma2 class reunion!

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Many of you have careers, spouses and children- which means a lot of data for me!

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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.

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Next, I would like to find out the average age of the children.

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What makes analysing this data more difficult?

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Try it! Each of you has a number 1-3. You must group yourself so you have 1 of each number. Together, try and answer the exam question on finding averages from a frequency table.

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Question 1- 3 marks

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Question 2- 5 marks

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Try it yourself…

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10. Presenting and analysing data * Averages for discrete data * Stem and leaf diagrams * Using appropriate averages * The quartiles * Measures of spread.

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