Question

There are 200 subjects in a small clinical trial on vitamin C. Half the subjects are assigned at random to treatment (2,000 mg of vitamin C daily) and half to control (2,000 mg of placebo). Over the period of the experiment, the treatment group averaged 2.3 colds and the SL was 3.1. The controls did a little worse: they averaged 2.6 colds and the SD was 2.9 8.1. Standard Error Calculate the standard error for the difference between the average number of colds (treatment - control) Round to 2 decimal places 0.01 Please enter 2 digits after the decimal point. Submit Answer

can anyone tell me whether my answer correct or not?

Answer 1