Question 6 (3 points) What does the test statistic of the two-tailed t-test represent? [Multi Select Question] The p-value O The difference between the means of the withdrawn samples O The Null Hypothesis O The significance levelQuestion 4 (2 points) Saved Compute the estimated standard error of the mean of the following sample x = 1, 0, 2, 0, 3, 0, 100 sd(x) / sqrt(8) mean(x) / sqrt(8) O sd(x) / sqrt(7) O mean(x) / sqrt(7)Question 5 (2 points) Saved Which one of the following tests is a parametric method that can be used to test the strength of the relationship between two variables? The Pearson Test. O ANOVA O Spearman's Rank Correlation test. The Kruskal-Wallis test. O The Wilcoxon Rank Sum test