Exhibit 6.1 Refer to Exhibit 6.1.How many people switched brands between time t₁ and t₂?

Question

Quizplus · Accepted Answer

To calculate the number of people who switched brands between t₁ and t₂, we need to find the difference between the total number of people who used brand 1 at t₁ (450) and those who used it at t₂ (320). Therefore, the number of people who switched from brand 1 to other brands is: 450 - 320 = 130 Hence, the best choice is B.

Exhibit 61 Refer to Exhibit 6