Suppose you want to estimate the percentage of videos on YouTube that are cat videos. It is impossible for you to watch all videos on YouTube so you use a random video picker to select 1000 videos for you. You find that 2% of these videos are cat videos. A. What is the sample? B. Label each of the following as an observational unit, a variable, a statistic, or a parameter i. Percentage of all videos on YouTube that are cat videos. ii. 2% iii. A video in your sample. iv. The proportion of videos in your sample that are cat videos.

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