### MS 150 Statistics Spring 2003 Quiz 5 • Name:

The following table contains data on FSM residents ages 15 to 74 years old who migrated internally within the FSM to find employment. Internal employment is when a person leaves their own state in the FSM and finds work in another state in the FSM. The x data is a bin value, actually a middle of the interval value. Use the values provided to calculate a mean age at which FSM residents migrate internally in search of employment.

age in years (x) | number of people (f) | p(x) | |

22 | 457 | 0.68 | __________ |

37 | 135 | 0.20 | __________ |

52 | 56 | 0.08 | __________ |

67 | 23 | 0.03 | __________ |

| **671** | **1.00** | __________ |

- __________ What is the average age at which an FSM resident migrated for employment purposes?

- Is
**A** a normal curve? ______ Why or why not?
- Is
**B** a normal curve? ______ Why or why not?
- Is
**C** a normal curve? ______ Why or why not?
- Is
**D** a normal curve? ______ Why or why not?
- Is
**E** a normal curve? ______ Why or why not?
- Is
**F** a normal curve? ______ Why or why not?