Read the labels. If the label lists sugar, sucrose, fructose, corn syrup, white or âwheatâ flour, they contain simple carbohydrates. If these ingredients are at the top of the list, they may contain mostly simple carbohydrates, and little else. They should be avoided.
A T-wave is a component of an ECG test. It signifies the repolarization of the heart ventricles after a contraction. In the adjacent image, the T-wave is the hump on the right. Every time your heart beats, the muscle is depolarized by an electrical current that originates in the sinoatrial node of the heart.
T-test. The ttest command performs t-tests for one sample, two samples and paired observations. The single-sample t-test compares the mean of the sample to a given number (which you supply). The independent samples t-test compares the difference in the means from the two groups to a given value (usually 0).In other words, it tests whether the difference in the means is 0.he single sample t-test tests the null hypothesis that the population mean is equal to the given number specified using the option write == . For this example, we will compare the mean of the variable write. In this example, the t-statistic is 4.1403 with 199 degrees of freedom.