No Standard Deviation? How do I get the standardized test statistic?

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I get this question a lot in my BUS 233 Business Statistics course. It comes when students see a problem similar to the following in their homework or on a quiz: In a sample of 1000 home buyers, you find that 457 home buyers found their real estate agent through a friend. At α=0.08, can …

No Standard Deviation? How do I get the standardized test statistic? Read More »