Testing: H0: μ = 18.9 H₁: μ< 18.9 Your sample consists of 27

Last updated: 7/9/2022

Testing: H0: μ = 18.9 H₁: μ< 18.9 Your sample consists of 27 subjects, with a mean of 18.4 and standard deviation of 1.54. Calculate the test statistic, rounded to 2 decimal places.