Mathematics, 24.02.2020 18:26 anna438
Two independent samples of sizes 20 and 25 are randomly selected from two normal populations with equal variances. In order to test the difference between the population means, the test statistic is: a. approximately standard normal random variable b. a standard normal random variable c. t-distributed with 43 degrees of freedom d. t-distributed with 45 degrees of freedom
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Mathematics, 21.06.2019 17:00
The variable in a relation who’s value depends on the value of the independent variable is called what?
Answers: 1
Two independent samples of sizes 20 and 25 are randomly selected from two normal populations with eq...
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