Question: What is the difference between a cross-sectional and longitudinal survey? What are the advantages and disadvantages of each type? How would you interpret the longitudinal

  1. What is the difference between a cross-sectional and longitudinal survey? What are the advantages and disadvantages of each type? How would you interpret the longitudinal survey results for Pepsi? Where are the biggest movements in the market? What is the difference between a cross-sectional
Longitudinal Survey - Soft Drink Preferences Pepsi Coke 20 25 15 44 36 10 15 47 BRAND Coke Pepsi Mountain Dew Dr. Pepper Diet Coke Root Beer Survey 2 Total 15 33 20 35 Mountain Dew Dr. Pepper Diet Coke Root Beer Survey 1 Total 150 10 18 22 18 98 10 23 27 50 190 25 25 27 28 155 30 35 37 23 195 37 28 212 127 173 190 158 1000 30 35 22 41 29 55 202 150

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