Essay
A chewing gum manufacturer wants to know whether students score higher on math tests when they are allowed to chew gum during a test. He conducts an experiment with a sample of four randomly selected students and records the test results with gum chewing and without. Test the hypothesis that test scores were higher when students were allowed to chew gum during the test. Following are the test scores for the four participants:
Assume that all conditions for testing have been met. Be sure to report the null and alternative hypothesis, test statistic, p- value, your decision regarding the null hypothesis, and your conclusion about the original claim. Round all values to the nearest thousandth.
Correct Answer:

Verified
H0: µdifference = 0 and Ha: µdifference < 0; t = - 1.414; p = 0....View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Correct Answer:
Verified
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Q11: The productivity of manufacturing plant workers is
Q12: Suppose that the average country song length
Q13: Use the following information to answer the
Q14: Choose the statement that best describes what
Q16: Use the following information to answer the
Q19: The college GPA's of identical twins are
Q21: Describe the circumstances under which a confidence
Q31: The weights at birth of five randomly
Q41: How might the shapes of a population
Q50: Choose the statement that describes a situation