A researcher is studying the effects of aspirin on heart rat…
A researcher 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 () the control group received a placebo () and their heart rates are compared. Below is his data in which heart rate is measured in beats per minute. He sets his alpha level at .05 and uses a directional test. Placebo Aspirin [a] 58 [b] 52 [c] 54 [d] 60 Use the above data to calculate the observed t-score. **Report your answer to 4 decimal places.
Read DetailsA woman who can roll her tongue (presumably dominant) is mar…
A woman who can roll her tongue (presumably dominant) is married to a man who cannot roll his tongue. Two of their four children can roll their tongues and two cannot. If A= roll tongue and a= cannot roll tongue, then what is the genotype of the parents?
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