It's important for a researcher to conduct an accurate test of data.
• How does a parametric test differ from a nonparametric test?
• How does a null hypothesis compare with the alternative hypothesis?
• How does a Type I error differ from a Type II error?
• How does an acceptance region compare with a rejection region?
• How does a one-tailed test differ from a two-tailed test?
Answer is 450 words with reference from Applied Statistics In Business And Economics By Doane and Seward.

• How does a parametric test differ from a nonparametric test?
• How does a null hypothesis compare with the alternative hypothesis?
• How does a Type I error differ from a Type II error?
• How does an acceptance region compare with a rejection region?
• How does a one-tailed test differ from a two-tailed test?
Answer is 450 words with reference from Applied Statistics In Business And Economics By Doane and Seward.