A researcher wants to test the claim that Americans eat less than 8 servings of vegetables per week. She collects a simple random sample of 25 people and asks them about their vegetable consumption. The sample mean is 7.7 servings per week, and the sample standard deviation is 3.1.

What is the critical value t* for this sample size and a significance level of .05? Round your answer to three decimal places.

What is the t-statistic for this sample? Round your answer to three decimal places.

Do we have significant evidence to reject the null hypothesis? Answer yes or no.