The dataset attached contains the results of an experiment studying the effect of vitamin C on tooth growth in 60 Guinea pigs. Each animal received one of three dose levels of vitamin C (0.5, 1, and 2 mg/day) by one of two delivery methods, orange juice or ascorbic acid (a form of vitamin C).
Research question: Is there a significant difference in tooth growth among guinea pigs using different types of vitamin C supplements (orange juice or ascorbic acid)?
Based on the output answers attached, Answer the following questions:
Based on the Shapiro-Wilks test, is the data normally distributed? Explain.
Should you rely on the t-test output information or the Mann-Whitney U output? Explain.
- What is the p value?
- Is it significant based on an alpha of .05?
- Write out your interpretation in your own words based on the Intellectus output
- Answer the research question.
- Please remember to use citations for at least two (2) references within 5yrs old
- The following textbook Chapter 11 may help with this discussion question