a3

Suppose you know the population average wage in the manufacturing industry in California is $24.66 per hour. You take a survey 30 people that work in manufacturing in Utah to answer the following research question. Research Question: Is the population average manufacturing wage in Utah less than $24.66 per hour, the population average manufacturing wage in the California? You nd a sample mean of $23.41 from your survey of workers in Utah. You know the population standard deviation for manufacturing wages in Utah is $2.35 per hour. What is the z-statistic associated with the hypothesis test you use to answer your research question? Round your answer to two decimal places. For example, if your calculation gives 4.64192, type -1.64