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1. what claim abojt a mean from the article did we test

The claim about a mean from the article that was tested is:

**"The average age of online students is 32 years old."**

Would you like any further details or have any questions about this analysis?

Here are some additional questions to consider:

1. What is the significance level (alpha) used in these hypothesis tests?
2. How do you interpret the p-value in the context of this hypothesis test?
3. What would be the implications if the null hypothesis (Ho) were not rejected?
4. How can you calculate the test statistic for a mean when the population standard deviation is known?
5. What assumptions must be met to use a normal distribution for this hypothesis test?

**Tip:** When performing hypothesis tests, always ensure you understand whether you are dealing with a one-tailed or two-tailed test, as this affects the critical values and the interpretation of the p-value.

What claim about a mean from the article did we test?

This problem demonstrates a hypothesis test on the average age of online students using a normal distribution. The claim tested is that the average age is 32. Explore detailed steps on calculating the test statistic and interpreting p-values in the context of hypothesis testing.

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