Acompany offered one half of its employees a bonus if the production of gears increased by 50%. 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 40. what is the correct order of steps to determine if the results are significant? a. calculate the probability of a difference of 20. b. randomly separate the employees’ individual results into two groups. c. calculate the mean of each group. d. calculate the difference of the means. e. run the experiment many times.