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OpenIntro Statistics | 3rd Edition | ISBN: 9781943450039 | Authors: David M Diez; Christopher D Barr; Mine Çetinkaya-Rundel
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Cats on YouTube. Suppose you want to estimate the

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QUESTION:

Cats on YouTube. 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.Determine which of the following is an observation, a variable, a sample statistic, or a population parameter. (a) Percentage of all videos on YouTube that are cat videos. (b) 2%. (c) A video in your sample. (d) Whether or not a video is a cat video.

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QUESTION:

Cats on YouTube. 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.Determine which of the following is an observation, a variable, a sample statistic, or a population parameter. (a) Percentage of all videos on YouTube that are cat videos. (b) 2%. (c) A video in your sample. (d) Whether or not a video is a cat video.

ANSWER:

Q: Cats on YouTube. Suppose you want to estimate the percentage of videos on YouTubethat are cat videos. It is impossible for you to watch all videos on YouTube so you use arandom video picker to select 1000 videos for you. You find that 2% of these videos are catvideos.Determine which of the following is an observation, a variable, a sample statistic, ora population parameter. (a) Percentage of all videos on YouTube that are cat videos. (b)2%. (c) A video in your sample. (d) Whether or not a video is a cat video. Step By Step SolutionStep 1 of 2:Observation: The videos in youtube in the sample of 1000 is an observation.Variable: Variable in this study is whether the videos from 1000 samples are cat videos/not.Sample statistic: 2% of the 1000 video samples is the sample statistic.Population parameter:Percentage of all videos in Youtube that are cat videos.

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