A sample of 40 observations is selected from one somewhat normal population. The sample mean is 102 and the sample standard deviation is 5. A sample of 50 observations is selected from a second source. The sample mean was 99 and the standard deviation was 6. Conduct a test of the hypothesis using the .04 level of significance.© BrainMass Inc. brainmass.com March 4, 2021, 5:58 pm ad1c9bdddf
The following outlines a process of conducting a t-test to determine if there is a significant difference in means in two populations. Results are provided in Word and all formulas are explicitly stated.