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Do social recommendations increase ad effectiveness? A study of online video viewers compared viewers who arrived at an advertising video for a particular brand by following a social media recommendation link to viewers who arrived at the same video by web browsing. Data were collected on whether the viewer could correctly recall the brand being advertised after seeing the video. The results are shown below. What do these results tell you about social recommendations? Correctly Recalled D the Brand Arrival Method Yes No Recommendation 396 97 Browsing 690 141 Those who arrived at the link from a recommendation had a correct recall of |:|% as compared to those who arrived at the link from browsin who had a correct recall of %. Since the difference in percentage is relatively one can conclude 9 that social recommendations have |:l impact on correct recall. (Round to two decimal places as needed.) small, large, Do social recommendations increase ad effectiveness? A study of online video viewers compared viewers who arrived at an advertising video for a particular brand by following a social media recommendation link to viewers who arrived at the same video by web browsing. Data were collected on whether the viewer could correctly recall the brand being advertised after seeing the video. The results are shown below. What do these results tell you about social recommendations? Correctly Recalled D the Brand Arrival Method Yes No Recommendation 396 97 Browsing 690 141 Those who arrived at the link from a recommendation had a correct recall of |:|% as compared to those who arrived at the link from browsing who had a correct recall of |:|%. Since the difference in percentage is relatively |:l one can conclude that social recommendations have |:l impact on correct recall. (Round to two decimal places as l'IE some very little Suppose the following table represents world oil production in millions of barrels a day for a recent period of time. Complete parts a and b. Oil Production (millions of Region barrels a day) Iran 7.54 Saudi Arabia 5.33 Other OPEC countries 26.51 Non-OPEC countries 60.27 a. Compute the percentage of values in each category. Oil Production (millions of Region barrels a day) Percentage Iran 7.54 % Saudi Arabia 5.33 % Other OPEC countries 26.51 % Non-OPEC countries 60.27 % (Round to two decimal places as needed.)