A group of researchers would like to find out if there is a significant difference in the content of 2 different products of 180 ml commercial shampoo. The actual contents obtained from the samples of each product is indicated below. Using a = 0.05 level of significance, apply the appropriate statistical test. Shampoo A Shampoo B 169.50 167.00 169.50 172.90 182.00 167.50 178.20 173.60 181.50 172.50 168.50 180.00 180.50 179.80 174.30 176.60 176.80 180.70 167.50 181.40 179.50 180.40