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8th Edition

Charles Henry Brase + 1 other

Publisher: Cengage Learning

ISBN: 9781337558075

Chapter 6.1, Problem 5P

Textbook Problem

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**Statistical Literacy** Consider two discrete probability distribution with the same sample space and the same expected value. Are the standard deviations of the two distributions necessarily equal? Explain.

To determine

Whether the standard deviations of the two discrete distributions with the same sample space and expected value are necessarily equal or not.

The sample space, *S* of statistical experiment is the set of all possible outcomes.

Consider the following probability distribution:

X |
P(X) |

2 | 3/7 |

3 | 3/7 |

6 | 1/7 |

Consider another probability distribution:

X |
P(X) |

2 | 1/7 |

3... |

Understanding Basic Statistics

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