Please help with homework.
1) Below is Figure 4-26 from the Essentials in Biostatistics for Public Health, which shows the birth weight (in grams) of infants who were delivered full-term and classified by their mother's weight gain (in pounds) during pregnancy.
1.4 Post Class Biostatisties Problems 1) Below is Figure 4-26 from the Essentials in Biostatistics for Public Health, which shows the birth weight (in grams) of infants who were delivered full-term and classied by their mother's weight gain (in pounds) during pregnancy. -- MM; | | | Sit-Townes ' | | Less Ina-n50 MI 2500 2750 no 3350 am: 3'!!!) 40m 4250 4500 B'h MM {arm} FIGURE 426 Birth Weight by Maternal Weight Gain a. What is the Median birth weight of infants whose mothers gained Less than 50 pounds? b. What is the Minimum birth weight of infants whose mothers gained 50-74 pounds? c. What is the Maximum birth weight of infants whose mothers gained Less than 50 pounds? d. What is the Range of the birth weight of infants whose mothers gained 50-74 pounds? e. What is the 25'\" percentile of the birth weight of infants whose mothers gained 75+ pounds? f. What is the 75* percentile of the birth weight of infants whose mothers gained 50-74 pounds? g. What is the IQR for the birth weight of infants whose mothers gained Less than 50 pounds? h. Are there any outliers in the birth weight of infants whose mothers gained 75+ pounds? Note that the end whisker or vertical lines have been omitted, so visual interpretation is not sufcient to answer this question. '1. In the upper tail (right side of the graph) only ii. In the lower tail (left side of the graph) only iii. In both tails iv. In neither tail 2) A clinical trial is conducted to evaluate the efcacy of a new drug to increase HDL cholesterol (\"good\" cholesterol) in men at high risk for cardiovascular disease. Participants are randomized to receive the new drug or placebo and followed for 12 weeks, at which time HDL cholesterol is measured. The data are summarized in Figure 4-28. E as 33 35 40 ll-5 50 55 FIGURE 428 HDL Cholesterol a. What is the Median HDL of men who received the New Drug? b. What is the Minimum HDL of men who received the New Drug? c. What is the Maximum HDL of men who received the Placebo? d. What is the Range of the HDL of men who received the Placebo? e. What is the 25\" percentile of the HDL of men who received the Placebo? f. What is the 75'\" percentile of the HDL of men who received the New Drug? g. What is the IQR for the HDL of men who received the New Drug? h. Are there any outliers in the HDL of men who received the Placebo? Note that the end whisker or vertical lines have been omitted, so visual interpretation is not sufcient to answer this question. i. In the upper tail (right side of the graph) only ii. In the lower tail (left side of the graph) only iii. In both tails iv. In neither tail 3) In a study of a new anti-hypertensive medication, 15 systolic blood pressures are measured at baseline. The data are as follows. 1311102143141 129 1551371123 144122 14814813138144 a. Compute the sample mean 13. Compute the sample median 0. Compute the sample standard deviation d. Compute the sample range e. Are there any outliers? i. In the upper end (high blood pressure values) only ii. In the lower end (low blood pressure values) only iii. In both ends iv. In neither end
