If two random samples of size 40 each are selected independently from two populations whose variances are 35 and 45,then the standard error of the sampling distribution of the sample mean difference, ,equals 1.4142.
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Q33: A parameter such as Q34: When we replace Q35: The value of the standard error of Q36: The general form of a confidence interval Q37: If two random samples of sizes 30 Q39: If we cannot make the strong assumption Q40: Two independent samples of sizes 50 and Q41: The shape of a chi-square distribution Q42: For a given confidence level,the procedure for Q43: When you calculate the sample size for
A)is symmetric.
B)is
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