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The mean age of Senators in the 109th Congress was 60.35 years. A random sample of...

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Statistics

The mean age of Senators in the 109th Congress was 60.35 years.A random sample of 40 senators from various state senates had anaverage age of 55.4 years, and the population standard deviation is6.5 years. At α= 0.05, is there sufficient evidence that statesenators are on average younger than the Senators inWashington?

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Right- Tailed Test

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4.2 Ratings (544 Votes)
Solution 6035 554 65n 40This is the left tailed test The null    See Answer
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