Why is it imperative to conduct an experiment rather than rely on anecdotal evidence when deciding how well a treatment, medical or otherwise, works?

Aresearch institute poll asked respondents if they felt vulnerable to identity theft. in the poll, n=1085 and x=528 who said “yes”. use 90% confidence level

Henry just set up direct deposit from his employer to his checking account. the equation y=360x-126.13 represents the balance in henry's account if he deposits his weekly paycheck for x weeks. based on this equation, which of the following statements is true? a) henry earns $126.13 per weekb) henry made an initial deposit of $126.13c) before setting up the direct deposit, henry had overdrawn his accountd) when henry set up the direct deposit, he already had $360 in his account

What must students do with the 10 gird-ins on the math section of the psat