Dr.Johnson is studying the effects of aspirin on heart rate.He believes that aspirin will lower heart rate.He has 2 groups the treatment group receives 80mg of aspirin for a week (n=4)the control group received a placebo (n=4)and their heart rates are compared.Below is his data in which heart rate is beats per minute.He sets his alpha level at 0.05 and uses a directional test.
Is it possible that Dr.Johnson has_____.
A)Type I error
B)sampling error
C)Type II error
D)Both a & b
E)All of these

Question

Dr.Johnson is studying the effects of aspirin on heart rate.He believes that aspirin will lower heart rate.He has 2 groups the treatment group receives 80mg of aspirin for a week (n=4)the control group received a placebo (n=4)and their heart rates are compared.Below is his data in which heart rate is beats per minute.He sets his alpha level at 0.05 and uses a directional test. 
Is it possible that Dr.Johnson has_____.
A)Type I error 
B)sampling error 
C)Type II error 
D)Both a & b 
E)All of these

Quizplus · Accepted Answer

The Answer of Dr.Johnson is studying the effects of aspirin on heart rate.He believes that aspirin will lower heart rate.He has 2 groups the treatment group receives 80mg of aspirin for a week (n=4)the control group received a placebo (n=4)and their heart rates are compared.Below is his data in which heart rate is beats per minute.He sets his alpha level at 0.05 and uses a directional test. 
Is it possible that Dr.Johnson has_____.
A)Type I error 
B)sampling error 
C)Type II error 
D)Both a & b 
E)All of these

DrJohnson Is Studying the Effects of Aspirin on Heart Rate