Question

A study asked respondents, "If ever married, how old were you when you first married?" The results are summarized in the MINITAB exerpt that follows. Complete parts (a) and (b) below. Variable AGEWED One-Sample T: AGEWED N Mean StDev SE Mean 26250 23.820 4.631 0.029 90.0% CI (23.773, 23.867) (a) Use the summary to determine the point estimate of the population mean and margin of error for the confidence interval. x= (Type an integer or a decimal.) E= (Type an integer or a decimal.) (b) Interpret the confidence interval O A. One can be 90% confident that the mean age of people when first married is between 23.773 and 23.867 years. OB. One can be 90% confident that the mean age of people when first married is 23.820 years. O C. There is a 90% probability that the mean age of people when first married is between 23.773 and 23.867 years. OD. There is a 90% probability that the mean age of people when first married is 23.820 years

Answer 1

Given Data n 26260 SEem 02 23.820 H68 | 'Meam 23-773ソ 23.867 upper imt laoo imit 23-773 ャ23-8G7 a) 2 2- 2- towes imi O.091 2こ004 upper imi 23-773 z3-867 E E = Oo 23.82 b) Inapertfe canfidente intexval hat tRe mean 90% canfidant betcvsan be one Can when and manted Z3 867 23.773

Hence option A is correct