If Two Random Samples of Size 40 Each Are Selected $x _ { 1 } - x _ { 2 }$

True/False

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, $x _ { 1 } - x _ { 2 }$
,equals 1.4142.