A researcher randomly assigned 160 subjects into one of two groups: Atkins diet or Weight Watchers. The response variable was weight change in pounds...

A researcher randomly assigned 160 subjects into one of two groups: Atkins diet or Weight Watchers. The response variable was weight change in pounds after 6 weeks. The t-test results showed a p-value=.049. What can be concluded?

a.One diet led to greater weight loss than the other

b.The mean weight loss was better for the Weight Watcher group