Question

Describe a confidence interval for the difference in means between two population by stating
1. a pair of populations composed of the same type of individuals and a quantitative variable on those populations,
2. sizes and degrees of freedom of samples from those populations,
3. the means of those samples, and
4. the standard deviations of those samples. Then state
5. a confidence level and find
6. find the interval. Finally, perform a test of significance concerning the difference in the means of the populations by stating
7. both a null and an alternative hypothesis and
8. an α-level, then finding
9. the two-sample t-statistic and either
10. rejecting or failing to reject the null hypothesis. Remember that you do not need to list the values of the variable for individuals in either the sample or the population, and that the values for 2, 3, 4, 5, and 8 do not need to be calculated, only stated.

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Describe a confidence interval for the difference in means between two population by stating
1. a pair of populations composed of the same type of individuals and a quantitative variable on those populations,
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