Hopkins MKTG 5360 exam 3 questions well answered graded A+ passed

Hopkins MKTG 5360 exam 3 questions
well answered graded A+ passed

what are the 4 steps in hypothesis testing? - correct answer ✔✔1. state the null and alt
hypotheses

2. state the level of significance (alpha)

3. run analysis, find the p value and compare it to alpha

4. make a decision!



What does the null hypothesis state? - correct answer ✔✔There is no relationship between
variable X and variable Y .... example: males and females GPA's don't differ



what does the alternative hypothesis state? - correct answer ✔✔the opposite of the null
hypothesis...example: male and females GPA do differ



What is a significance level? - correct answer ✔✔fixed value that we compare with the P-value



critical probability, confidence level, Alpha, probability level selected is typically .05 or .01, too
low to warrant support for the null hypothesis



explain p-value: - correct answer ✔✔The smallest level of significance, at which a no hypothesis
may be rejected, using the obtained value of the test statistic



bottom line:

p < alpha ... we reject the null!