Q2: Do social recommendations increase ad effectiveness? A studyof online viewers who arrived at an advertising video for aparticular brand by following a social media recommendation link toviewers who arrived at the same video by web browsing. Data werecollected on whether the viewer could correctly recall the brandbeing advertised after seeing the video. The results were:
Yes No
Recommendation 407 150
Browsing 193 91
Determine whether brand recall is higher following a socialmedia recommendation than with only web browsing at alpha=.05.
1. What is the claim from the question? What are Null andAlternative Hypothesis for this problem?
2. What kind of test do you want to use?
A. Two Samples Independent Population T Test with EqualVariance
B. Two Samples related Population T Test
C. Two Samples Independent Population T Test with UnequalVariance
D. Two Sample Proportion Z Test
E. Two Sample Variance F Test
3. Calculate Test Statistics
4. Find Critical Value(s) and appropriate degree of freedom ifnecessary Test Statistics:
5. Find P-value
6. What is the conclusion that you could make? Clearly writedown the conclusion and business statement and illustrate what typeerror you could make.
