The null and alternate hypotheses are: H 0 : 0 H 1 : > 0 The following sample information shows

The null and alternate hypotheses are:

H₀: µ_σ  ≤ 0

H₁: µ_σ > 0

The following sample information shows the number of defective units produced on the day shift and the afternoon shift for a sample of four days last month.

At the .05 significance level, can we conclude there are more defects produced on the dayshift?

Day 2 Day shift Afternoon shift 12 15 12 19 15