1.Suppose you know the population average wage in the manufacturing industry in the U.S. is $26.72 per hour. You take a survey 40 people that work in manufacturing in Spain to answer the following research question.

Research Question: Is the population average manufacturing wage in Spain less than $26.72 per hour, the population average manufacturing wage in the U.S.?

You find a sample mean of $25.50 from your survey of workers in Spain. You know the population standard deviation for manufacturing wages in Spain is $2.60 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-1.64192, type -1.64.