To investigate the reproducibility of a method for the determination of selenium in foods, nine measurements were made on a single batch of brown rice with the following results: Selenium (μg/g) :...

To investigate the reproducibility of a method for the determination of selenium in foods, nine measurements were made on a single batch of brown rice with the following results:

Selenium (μg/g) : 0.07,0.07, 0.08, 0.07, 0.07, 0.08, 0.08, 0.09, 0.08

Find the mean, standard deviation and relative standard deviation of these results.