# Lesson 1

Human Frequency Table

- Let’s use tables to organize data.

### 1.1: Estimation: Percents

What percentage of the graph is labeled B?

- Record an estimate that is:
too low about right too high - Explain your reasoning.

### 1.2: Human Frequency Table

Follow your teacher’s instructions to create a two-way table with your class. Then, using the data from the table your class creates, answer the questions:

- How many students prefer tablets?
- How many students prefer basketball?
- How many students prefer both laptops and prefer baseball?
- Of the students who prefer tablets, how many prefer basketball?

### 1.3: Class Celebration

Han’s teacher is planning a celebration for the class. Here is a table that displays the students’ preferences for the celebration.

prefers Monday | prefers Friday | total | |
---|---|---|---|

prefers indoors | 4 | 8 | |

prefers outdoors | 6 | 9 | |

total |

Use the table to answer the questions.

- Complete the table with the missing values.
- How many students were surveyed?
- How many students prefer Monday?
- How many students prefer Friday?
- On which day should Han’s teacher plan to have the celebration?
- How many students prefer to stay indoors?
- How many students prefer to go outdoors?
- How many students prefer Friday and prefer to stay indoors?
- How many students prefer Monday and prefer to go outdoors?