Question

A study was run to determine if the average income of Bay Area households is higher than $80,000. A random sample of 80 Bay Area households had an average income of $87,000 with a standard deviation of $42,000. Researchers set the significance level at 5% and found a p-value of 0.0700.

Pick the appropriate concluding sentence.

Group of answer choices

The researchers can conclude at the 5% significance level that the average income of Bay Area households is $80,000.

The researchers can conclude at the 5% significance level that the average income of Bay Area households is higher than $80,000.

The researchers did not pick a large enough sample, so the results should not be interpreted.

The researchers did not find enough evidence to conclude at the 5% significance level that the average income of Bay Area households is higher than $80,000.

Answer 1

The researchers did not find enough evidence to conclude at the 5% significance level that the average income of Bay Area households is higher than $80,000.