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:

  1234  Day shift 10121511  Afternoon shift 891215

At the 0.05 significance level, can we conclude there are more defects produced on the Afternoon shift?

"Get 15% discount on your first 3 orders with us"
Use the following coupon
FIRST15

Order Now