Prevalence in epidemiology is the proportion of disease found to have been affecting a particular population (typically a disease or a risk factor such as smoking or seat-belt use).
Exclusive analysis by The Daily Telegraph reveals the price of an average basket of groceries at any Coles and Woolworths supermarket in Sydney has jumped a staggering 16 per cent since 2009. That adds as much as $26 a week to the average bill.he analysis found that if a shopper today purchased the identical basket of groceries used in Choice's 2009 Supermarket Survey, they would pay more than $158 for what two years ago cost $136. CommSec economist Craig James said the average household currently spends $185 a week on food.
The average American family of four spends amount $100-200 a week on groceries. Though my family has personally spent up to $600 an week on groceries when splurging, on heavy meals, large amount of meat, sodas and snacks. But for my family of four we spend about $250 a week, give or take.hey assume that all meals and snacks are eaten at home, which lowers the cost. In June 2010, the thrifty plan for a family of 4 per week was $134.50. Low-cost = $175.10 Moderate cost = $219.10 Liberal cost = $265.90.