(1 point) It has been suggusted that the highest phiority of retirees is trave. Thus, a study was conducted to irvestigate the differences in the iength of stay of a trip lor pre- and postretirees. A sample of 715 travelers were asked how long they stayed on a typleil trip. The observed resuls of the study are found below With this information, constuct a table of estimated expected values. Now, with that information, Cetermine whether the length of stay is independent of retrement using a=0.01 (a) x2= (b) Find the degrees of treedom: (d) The final conciusion is A. We can raject the nul hypothesis that the length of stay is incependent of retirement and accept the allemative hypothesis that the two are dependent B. There is not sulfsient evibence to rejoct the null hypothesis that the length of stay is independent of retienent. Note: You can eam partial credit on this problem..