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Homework answers / question archive / A random sample of 20 pledges to a public radio fundraiser revealed the following dollar pledges: 35 50 50 50 60 75 75 75 80 85 85 90 90 100 100 10 100 125 125 150 Compute the range, variance, standard deviation, and interquartile range for these sample data

A random sample of 20 pledges to a public radio fundraiser revealed the following dollar pledges:

35 |
50 |
50 |
50 |

60 |
75 |
75 |
75 |

80 |
85 |
85 |
90 |

90 |
100 |
100 |
10 |

100 |
125 |
125 |
150 |

- Compute the range, variance, standard deviation, and interquartile range for these sample data.
- Briefly explain the difference between the range and the interquartile range as a measure of dispersion.

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