Explanation
Step 1 of 2 : Write down the arithmetic mean and total count of numbers Here it is given that the arithmetic mean of six numbers is 4.5 Arithmetic mean = 4.5 Total count of numbers = 6 Step 2 of 2 : Calculate the total sum of six numbers The total sum of six numbers = Arithmetic mean × Total count of numbers = 4.5 × 6 = 27 ND18-5-2023