### The one-tailed test with the rejection area in the upper tail of the z-curve was used. Computed z-score was 1.79. What does it mean? At 0.05 level of significance, is there a difference in the mean numbers of cameras sold at the three department store chains? At the .05 level of significance, determine whether there is a relation between the income level and the type of vehicle purchased.

1) Experiment was conducted at the .01 level of significance. The one-tailed test with the rejection area in the upper tail of the z-curve was used. Computed z-score was 1.79. What does it mean? A. We should reject H0 and accept H1. B. We should not reject H0. C. We should have used the .05 level of significance. D. We shou