Mathematics, 07.07.2020 18:01 arod5702
The following information was obtained from independent random samples taken of two populations. Assume normally distributed populations with equal variances.
Sample 1 Sample 2
Sample Mean 45 42
Sample Variance 85 90
Sample Size 10 12
1. The 95% confidence interval for the difference between the two population means is:.
a. 0b. 2c. 3d. 15
2. The standard error of (x-bar1)-(x-bar2) isa. 3.0b. 4.0c. 8.372d. 19.48
Answers: 2
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The following information was obtained from independent random samples taken of two populations. Ass...
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