Question: In 1960, census results indicated that the age at which Canadian women

first married had a mean of 22.6 years. It is widely suspected that young people today are waiting longer to get married. We want to find out if the mean age of first marriage has increased during the past 50 years.

1. Write the appropriate hypotheses.
2. We plan to test our hypotheses by selecting a random sample of 20 women who married for the first time last year. What assumptions do we need to make?
3. In our sample, the average age is 27.2 years with a standard deviation of 5.3 years.

What is your conclusion?

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