Acompany offered one half of its employees a bonus if the production of light bulbs increased by 30%. the other half of the employees was not offered a bonus. as the end of the month, production in the group that did not get the bonus offer increased by a mean of 20 and production in the bonus group increased by a mean of 30.

what is the correct order of steps to determine if the results are significant?

a: run the experiment many times.

b: randomly separate the employees’ individual results into two groups.

c: calculate the probability of a difference of 10.

d: calculate the difference of the means.

e: calculate the mean of each group.

choices
a.) a, b, c, d, e

b.) a, b, c, e, d

c.) b, e, d, c, a

d.) b, e, d, a, c