Owns a Cell Phone 13 6 13 students______________

Owns a Cell Phone 13 6 6 students______________

Owns a Cell Phone 13 6 27 students______________

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?

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

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

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

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

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

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

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

Rewrite this Venn diagram as a two way table. 3 11

Rewrite this Venn diagram as a two way table. 38 21 Dog No Dog Total Cat No Cat

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

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.

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?

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

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

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.

Dog No Dog Total Cat No Cat 15 students

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