Question

Large samples of women and men are obtained, and the hemoglobin level is measured in each subject. Here is the 95% confidence interval for the difference between the two population means, where the measures for women correspond to population 1 and the measures from men correspond to population 2: -1.76 g/dL<,H2 < -1.62 g/dL. Completo parts (a) through (c) below. a. What does the confidence interval suggest about equality of the mean hemoglobin level in women and the mean hemoglobin level in men? Because the confidence interval n appears that there a significant difference between the mean level of hemogiebin in women and the mean vel od hemoglobin in man olc (Type an integer or a decimal. Do not round.) Wie a brief statement that interprets that confidence interval mbi De Seri Del O A There is 95% confidence that the difference between the two population means is not OB. There is 90% cotone that the difference between the two population means -->) 176 g/dl of - 1.62 g/dL. OC. There la comidence that the interval from - 1.78g/dL 10-1629/01, actually contains the value of the difference between the two population means (1) OD. There is 90% confidence that the interval from - 170 g/dL. 10 - 1429/6.does not contain the value of the difference between the two population means() c. Express the confidence it with measures from man being population and measures from women being population 2. Choose the correct answer below OA 1.629/L-21780/0 OB-02/06** *1.76 g/. No OC - 1760/ 61.62 g/L 00-170/1.620/01 1 C

Answer 1

Bog Solutions Given data, Large Somples of women men are obtained, level is measured and the hemoglobin 0597 confidence interval Each 140e in Subject. between two population means, for difference alito gld. Lupallacal.60 g/dL. internal suggest does the What confidence level of the mean hemoglobin about Equality mean in and women hemoglobin level in meno hemoglobin level in women Since, the mean level in men are the mean and hemoglobin difference between the a means Equal then the must be CO Theo the confidence interval would have within .اورممکن But 95*1. confidence interval to 1.62 does not have o aleato cwithin the interval.

Anst ReCOLLSе the confidence interval does not contain lor) include O it appears that there is a difference between the mean level of women and mean level significant hemoglobin in hemoglobin in men. (6) Write brief statement that interprets that confidence internal. interval is an Since 957. confidence and limit interval with locuen limit of the internali is correct. Hence option C There is 954. confidence that the interval from contains that -1.76g|d1 -1-68 g/dl actually contains value the difference betloo ) Hun population means Mirilla

(3) Express the confidence interval with 9 and measwies Prom men being population being population and from women meas wres 3011 correct option 'K is since le denotes the mean hemoglobin level hemoglobin in men and denotes mean level in then the confidence internal women, Calculated Earlier reverses the signs -1.776 g/dL < (mean for women - mean for men)< 1:62914 women la is mean. Porr men Mai is mean -1.76 gid? 2. Clarla) Lalbag (dL Now multiplying with 1.68910L <(dirlle< 1.76glal fence Solved .