There's sometimes a stereotype that in marriage the husband is often older than the wife. The...

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There's sometimes a stereotype that in marriage the husband is often older than the wife. The...

There's sometimes a stereotype that in marriage the husband is often older than the wife. The French census took a random sample of 199 couples, and found that on average, the husband was 2.235 years older than the wife, with the exception of 4.075 years.

a. what is the null and alternative?

math Statistics-And-Probability

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