6. two separate samples receive different treatments. after treatment, the first sample has n = 9 with ss = 462, and the second has n = 7 with ss = 420. a. compute the pooled variance for the two samples. b. calculate the estimated standard error for the sample mean difference. c. if the sample mean difference is 10 points, is this enough to reject the null hypothesis using a two-tailed test with α = .05? gravetter, frederick j. statistics for the behavioral sciences (p. 329). cengage learning. kindle edition.

Adoctor administers a drug to a 38-kg patient, using a dosage formula of 50 mg/kg/day. assume that the drug is available in a 100 mg per 5 ml suspension or in 500 mg tablets. a. how many tablets should a 38-kg patient take every four hours? b. the suspension with a drop factor of 10 ggt/ml delivers the drug intravenously to the patient over a twelve-hour period. what flow rate should be used in units of ggt/hr? a. the patient should take nothing pills every four hours. (type an integer or decimal rounded to the nearest hundredth as needed.)

Select the number of ways in which a line and a circle can intersect

Jim had 3,067.48 in his checking account he wrote a check to pay for two airplane tickets. his account now has 1,845.24.