Question

Y NOTES Some groups have more that the difference in expected lifespan heen males and as a result of rather than a cent we want to come ay table difference exists between the average sans for men and women, at least in the USA andom samfund the vergeten American was 0.7, and the average lifespan for American man was 76. We want to the nether women Given DF - 312.7 and Mandard error -2.659, what is the value of the two formales

Answer 1

t = ($\bar{X}_{1}$-$\bar{X}_{2}$)/Standard error

= (80.7-76.2)/2.659

= 1.692

Please upvote if you have liked my answer, would be of great help. Thank you.