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Create 10 problems relating to real life situation. Out of the word problem, construct the null and alternative hypotheses. Here's an example: Example 2: A

Create 10 problems relating to real life situation. Out of the word problem, construct the null and alternative hypotheses.

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Example 2: A previous study shows that the average age of employed students in a city is 19 years. A civic group made a recent survey on the age of employed students working in the same locality. A random sample of 20 respondents showed an average age of 20.4 years with a standard deviation of 2.14 years. Using a significance level of 0.05, has the average age of employed students gone higher? Solution: Step 1: Formulate the null and alternative hypotheses. Ho:H S 19 Ho:H > 19 Step 2: Determine the level of significance. It is given that a = 0.05

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