Statistical tests like variance tests or theanalysis of variance (ANOVA)use sample variance to assess group differences. They use the variances of the samples to assess whether the populations they come from differ from each other. Research example ...
One-way ANOVA: A technique used to determine whether or not the population means of multiple samples (usually at least 3) are the same. It computes an F-statistic, which compares the variance within the samples and the variance between the samples. This F-statistic is depend...
Step 7: Next, select cell F9 to enter the t-statistic value, with the mathematical formula being:where,x̅ : Sample mean µ : Hypothesized mean (70°F in this example) sx̅ : SEM=(F3-F8)/F6And press Enter.Step 8: Now, select the target cell F10, enter the TDIST(), and ...
Statistic Question The following data are the amounts of electric bills (rounded to the nearest dollar) for the past one month for 30 families. 75 34 47 26 56 29 48 42 33 67 38 41 63 55 61 73 61 76 46 51 55 42 35 ...