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Owns a Cell Phone 13 6 13 students______________

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Owns a Cell Phone 13 6 6 students______________

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Owns a Cell Phone 13 6 27 students______________

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**13 6 Why don’t the numbers add up to 50? Owns a Cell Phone 50-46 = 4**

4 students have neither. Why don’t the numbers add up to 50?

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Cell Phone No Cell Phone Total MP3 Player 27 6 No MP3 Player 13 50 13 6

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Cell Phone No Cell Phone Total MP3 Player 27 6 27+6=33 No MP3 Player 13 50 13 6

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Cell Phone No Cell Phone Total MP3 Player 27 6 33 No MP3 Player 13 50-33 =17 50 13 6

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Cell Phone No Cell Phone Total MP3 Player 27 6 33 No MP3 Player 13 17-13 =4 17 50 13 6

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Cell Phone No Cell Phone Total MP3 Player 27 6 33 No MP3 Player 13 17-13 =4 17 50 13 6

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Cell Phone No Cell Phone Total MP3 Player 27 6 33 No MP3 Player 13 4 17 27+13=40 6+4 =10 50 13 6

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Cell Phone No Cell Phone Total MP3 Player 27 6 33 No MP3 Player 13 4 17 40 10 50 13 6

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**Rewrite this Venn diagram as**

a two way table. 3 11

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**Rewrite this Venn diagram as**

a two way table. 38 21 Dog No Dog Total Cat No Cat

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**Rewrite this Venn diagram as**

ANSWERS! Rewrite this Venn diagram as a two way table. 38 21 Dog No Dog Total Cat 10 21 31 No Cat 38 11 49 48 32 80

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**Emma has collected information about the cats and dogs that children in her class have as pets.**

There are 30 pupils. There are 4 possible responses: Has a cat and a dog. Has a cat but not a dog. Has a dog but not a cat Does not have a cat or a dog.

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**When Emma has entered some of her data, the table looks like this: .**

Has a dog Does not have a dog Total Has a cat 8 4 Does not have a cat 12 12 6 18 20 10 30 Emma has missed one box, but we know that there are 30 pupils in her class. How do we complete the table?

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**6 20 12 24 Has a dog Does not have a dog Total Has a cat 8 4 12 12 6**

12 Does not have a cat 12 6 18 20 10 30 (a) How many pupils do not have a cat or a dog? (b) How many pupils have a dog? (c) How many pupils have a cat? (d) How many children have at least one of these pets? 6 20 12 24

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**There are 7 students that do not own a cell phone,**

but own an MP3 player. Cell Phone No Cell Phone Total MP3 Player No MP3 Player

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**Of the 12 students that receive no allowance,**

A survey was conducted to see if students get an allowance and if they have to do household chores. Of the 12 students that receive no allowance, 5 of them have no chores. There are 17 students who do chores and receive an allowance, while 6 students get an allowance without doing any chores.

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Dog No Dog Total Cat No Cat 15 students

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ANSWERS! Dog No Dog Total Cat 4 6 10 No Cat 3 2 5 7 8 15 15 students

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