• A woman has two dogs, three rabbits and lettuce.
• She must cross a river.
• The boat is too small to carry all in one crossing.
• If she transported the dogs, the rabbits would eat the lettuce.
• If she transported the lettuce, the dogs would eat the rabbits.
• Question: How is she able to transport them all safely?

• She brings the rabbits across.
Leave the rabbits and returns to get dogs.
She brings the dogs across and returns with rabbits.
She leaves rabbits and goes across with the lettuce.
She returns to get rabbits.

• Statistics deals with collecting, organizing, and interpreting data. Data are pieces of information, which are often numerical. Large amounts of data can be organized in a frequency table. A frequency table shows the number of pieces of data that fall within given intervals.

• Shows the number of pieces of data that fall within given intervals.
Price $ Tally Frequency
1-25 4
Scale- includes the least value and greatest value
26-50 11
51-75 7
Interval- Separates the scale into equal parts
76-100 13

• Step 1- Choose an appropriate interval and scale. Should include the least and the greatest value.
• Step 2- Draw a table with 3 columns and label the columns.
• Step 3- Complete the table.

Example
Winning Score
• 20 34 23 34
• 31 35 27 49
• 30 52 37 20
• 55 20 42 39
• 46 38 38 27
Scores
20 - 29
30 - 39
40 - 49
50 - 59
Tally Frequency
2
3
6
9

Example
Music
Favorite Music
• P R F P F
• F R F P P
• F P F C P
• C J R R F
• J R P P F
• R= rock J= jazz
• C= country P= rap
• F= top 40
Rock
Jazz
Country
Top 40
Rap
Tally Frequency
8
2
8
5
2

Example – Your Turn
Rentals
Movie Rentals
• 10 9 2 17 12
• 9 11 10 4 14
• 3 15 0 6 5
• 9 20 10 11 8
• 3 1 13 4 5
Tally Frequency

Example – Your Turn
Breakfast
Breakfast Foods
• e c e p c c
• c p p e c e
• c e c p p e
• c= cereal
• e= eggs
• p=pancakes
Tally Frequency

• Complete Lesson 2-1 # 1-7 ALL