Monday: 12 newspapers
Tuesday: 14 newspapers
Wednesday: 16 newspapers
Thursday: 18 newspapers
Friday: 24 newspapers
Saturday: 26 newspapers
Sunday: 30 newspapers
Step 2: Multiply the number of newspapers sold each day by the weight (day of the week).
Monday: 12 * 1 = 12
Tuesday: 14 * 2 = 28
Wednesday: 16 * 3 = 48
Thursday: 18 * 4 = 72
Friday: 24 * 5 = 120
Saturday: 26 * 6 = 156
Sunday: 30 * 7 = 210
Step 3: Add the products from Step 2.
12 + 28 + 48 + 72 + 120 + 156 + 210 = 646
Step 4: Divide the sum from Step 3 by the total number of newspapers sold.
646 / 56 = 11.535714286
Therefore, the weighted mean number of newspapers sold on Wednesday is approximately 11.54.