A researcher wants to test if the mean annual salary of all lawyers in a city is different than $110,000, Statistic 15 homework help

A researcher wants to test if the mean annual salary of all lawyers in a city is different than $110,000. The null hypothesis for this example will be that the population mean is:

• less than to $110,000
• equal to $110,000
• greater than to $110,000
• not equal to $110,000