# Lesson 4 Wow, That’s Weird! Practice Understanding

The data shown is the data from Mrs. Hernández’s class. Students needed to score

1st hour | |
---|---|

2nd hour | |

3rd hour |

### 1.

Make a two-way frequency table showing how many students passed the test and how many failed each class.

1st | 2nd | 3rd | Total | |
---|---|---|---|---|

Passed | ||||

Failed | ||||

Total |

### 2.

What percent of students passed Mrs. Hernández’s test in each class? What is the total percent of all classes that passed?

1st hour:

2nd hour:

3rd hour:

Overall:

### 3.

Combine the data from all three classes to create a histogram using technology.

#### a.

Sketch your histogram.

#### b.

What features of the normal curve does your histogram have?

### 4.

If Mrs. Hernández was going to predict her total pass rate using only

Five track athletes are in the running for the Athletic Performance of the Year award. A panel of coaches is trying to decide which athlete is the most deserving to win the award. Rank each athlete below by the given information. Assume all distributions follow a normal curve.

### 5.

Javier threw the javelin

### 6.

Payton ran a

### 7.

Alex ran a

### 8.

Florence ran a

### 9.

Gabrielle threw the discus

Solve each equation for