In this scenario, what is the test statistic?

• A franchise owner would like to test the claim that the average number of stores run by a single owneris different than 12 stores.
• Sample size =21 business owners
• Sample mean =11.2 businesses
• Sample standard deviation =3.8 businesses

Calculate the test statisticusing the formula:t0=x0sn where:

• x = sample mean
• s = sample standard deviation,
• n = sample size, and
• 0 = population mean under the null hypothesis.

Round your answer to 2 decimal places.