Suppose you are the researcher of the hypothesis test and you conclude to either
ID: 3039871 • Letter: S
Question
Suppose you are the researcher of the hypothesis test and you conclude to either “reject the null hypothesis” or “not to reject the null hypothesis.” Write a statement on your conclusion to the public about this service/product.
On July 16, 2014, the FTC settled with Ab Circle Pro marketers Fitness Brands. They claimed that working out for just three minutes per day would cause consumers to lose 10 pounds in two weeks.
They are claiming that the mean weight loss for people who work out just three minutes per day is 10 pounds.
The population parameter is population mean, µ.
The Null hypothesis, Ho: µ = 10 pounds Alternate hypothesis, Ha: µ < 10 pounds
This would be a left-tailed hypothesis test.
https://www.ftc.gov/news-events/press-releases/2014/07/ftc-sends-refund-checks-totaling-93-million-nearly-200000
Explanation / Answer
This would be a left tailed test
As the claim is that the mean weight loss for people who work out just three minutes per day is 10 pounds.
If the men weight loss is less than 10 pounds then the clim is not valid,hence a left tailed test.
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