(Answered)-The following information was obtained from independent random - (2025 Updated Original AI-Free Solution
Question
The following information was obtained from independent random samples.? Assume normally distributed populations with equal variances.
| ? Sample 1 | ? Sample 2 | |
| Sample Size | 10 | 12 |
| Sample Mean | 50 | 48 |
| Sample Variance | 85 | 90 |
We are interested in testing
H0:??Sample 1?-??Sample 2?= 0
Ha:??Sample 1?-??Sample 2?? 0
Step 1 of 3:? What is the value of the test statistic? Round your answer to four decimal places.
Step 2 of 3: