In a test-marketing study, the average sales for a new brand of shampoo in 9 stores is

Question:

In a test-marketing study, the average sales for a new brand of shampoo in 9 stores is 1.95 units (each unit is 100 bottles). The retail management was expecting to sell on the average 2.0 units. Was the management's expectation realized? (Use α = .05 and σ = .06.)