Suppose we want to show that only children have an average higher cholesterol level than the national average.It is known that the mean cholesterol level for all Americans is190. A sample of children is taken and their mean cholesterol level is computed. Whathypothesis test is used?

Group of answer choices

two-sample t-test for a difference in means

chi-square test for goodness-of-fit

proportion test

chi-square test for independence

test for a single mean