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# Suppose that Y1, Y2,..., Yn denote a random sample from an exponentially distributed ISBN: 9780495110811 47

## Solution for problem 9.81 Chapter 9

Mathematical Statistics with Applications | 7th Edition

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Problem 9.81

Suppose that Y1, Y2,..., Yn denote a random sample from an exponentially distributed population with mean . Find the MLE of the population variance 2. [Hint: Recall Example 9.9.]

Step-by-Step Solution:
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1 STAT 145 Introduction to Statistics 1 Chapter 2 ­ Organizing and Summarizing Data Terms ​ ormulas 2.1 Organizing Qualitative Data Objectives: ​Group data in tables / Construct bar graphs and pie charts Frequency Distribution:​ ​A number of occurrences for each category of the data Relative Frequency:​ Proportion of observations within a category Relative Frequency = Frequency / Sum of ALL Frequencies

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##### ISBN: 9780495110811

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Suppose that Y1, Y2,..., Yn denote a random sample from an exponentially distributed