Question

can i please get this solved?

research hypothesis changet For the alpha used in problem 82a, what would the value Z(critical) be?) 8.3 a. Statewide, social workers average 10.2 yea of experience. In a random sample, 203 social workers in greater metropolitan Shinbone aver- age only 8.7 years, with a standard deviation of 0.52. Are social workers in Shinbone signifi- cantly less experienced? (NOTE: The wording of the research hypothesis may justify a one-tailed test of significance. For a one-tailed test, what form would the research hypothesis take, and where would the critical region begin?) b. The same sample of social workers reports an average annual salary of $25,782, with a stan- dard deviation of S622. Is this figure significantly higher than the statewide average of $24.509? NOTE: The wording of the research hypothesis suggests a one-tailed test. What form would the research hypothesis take, and where would the critical region begin) 8.4 sO Statewide the averaoe secore on the verhal nor Dakota State University and 27 more Employment jobs in Dilworth

Answer 1

h- samle Si2e 203 x- sample megn = 10,2 Asrum e 。f sígnifyCqn(ts lev e」 O.QS S.. 2 test 2 $3

e나 rgechbh eqto" 64 evel f cig niicanie Conclusibn . - chinkenc over age onl 64 overs

-= sample meanこ25t31 claim '.- Han e stateuqde avera 9でof 24SoT (ぇ 2ー C 124.3 x 14 . 24482 29.ις 99. 6 22

161 iS 1-64 vyechorn ơi.gnificance highe than Hhe state wide average of 24s0q