Question 1 (1 point) A marketing company doesn't know whether its client's new logo is helping or hurting sales. It does a survey based on a random sample of retailers and discovers sales of the client's product on average have increased 3%. The statistical test being examined with this research would be......... Oa. two-tailed Ob. one-tailed O c. either one-tailed or two-tailed Ob. not determinable