anonymous
  • anonymous
A company 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.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
D: Calculate the difference of the means. E: Run the experiment many times.
anonymous
  • anonymous
B, C, E, A, D A, B, C, E, D B, C, D, E, A A, B, C, D, E
anonymous
  • anonymous
@jim_thompson5910 , i think it's "A"

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jim_thompson5910
  • jim_thompson5910
B, C, E, A, D implies that you calculate the probability of getting a difference of 20 and then calculate the difference in the means next. But how can you find the probability of something that isn't set up yet?
anonymous
  • anonymous
so we need to calculate the difference of the mean first? which is "C''
jim_thompson5910
  • jim_thompson5910
yeah B, C, D, E, A makes more sense
jim_thompson5910
  • jim_thompson5910
Essentially what is going on is you're making a bunch of calculations of xbar1 - xbar2. Call these differences \(\large d_i\) each difference is then used to create a distribution and you'll determine how likely it is to get a difference of 20 based on this distribution
anonymous
  • anonymous
oh ok , thank you so much. i have one last question if you don't mind.

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