H D5 TS Q30 – Selective High School

Last Christmas, the number of gifts purchased by residents of Brunswick was higher than that purchased by residents of Chiswick, which suggests that the residents of Brunswick are more enthusiastic about Christmas celebrations than those of Chiswick.

Which of the following, if true, most weakens the above conclusion?

Brunswick has nearly twice the population of Chiswick. Chiswick residents spend more money per gift on average than Brunswick residents. A larger proportion of Chiswick residents celebrate Christmas with non-material traditions. Many Brunswick residents purchased gifts for workplace and community events rather than personal celebrations.

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Which of the following, if true, most weakens the above conclusion?