Frequency Distribution and Frequent Flier Miles Essay

1622 Words Aug 23rd, 2013 7 Pages
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For the following questions, would you collect information using a sample or a population? |

(a) | To calculate the percentage of car owners in New York City | | | | Population |

(b) | To know how many different private airlines provide service in the United States | | | | Sample |

(c) | To estimate weekly earnings of computer programmers in United States | | | | Sample |

(d) | To find the marks of a class of 20 students in a physics exam | | | | Population | eBook Link

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From the data in the Statistical Abstract of United States represented below with details, choose the kind of scale that can be
…show more content…
(Round your answer to 1 decimal place.) | | | | 17.5 |

(g) | On how many days were there 5 or more packages shipped? | | | | 87 |

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The following frequency distribution reports the number of frequent flier miles, reported in thousands, for employees of Brumley Statistical Consulting, Inc., during the first quarter of 2007. |

Frequent
Flier Miles
(000) | Number of
Employees | 0 up to 3 | 5 | | 3 up to 6 | 10 | | 6 up to 9 | 25 | | 9 up to 12 | 9 | | 12 up to 15 | 3 | | | | | Total | 52 | | | | | |

(a) | How many employees were studied? | | | | 52 | (b) | What is the midpoint of the first class? (Round your answer to 1 decimal place.) | | | | 1.5 | (d) | A frequency polygon is to be drawn. What are the coordinates of the plot for the last class? | | | | 13.5 , 3 |

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The frequency distribution representing the number of frequent flier miles accumulated by employees at Brumley Statistical Consulting Company is given below. (See also Exercise 11.) |

Frequent
Flier Miles
(000) | Frequency | 0 up to 3 | | 5 | 3 up to 6 | | 12 | 6 up to 9 | | 23 | 9 up to 12 | | 8 | 12 up to 15 | | 2 | | | | Total | | 50 | | | | |

(a) |

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