video1.0<iframe src="https://www.loom.com/embed/8ab37359a8664578a5c939ae63819274" frameborder="0" width="962" height="721" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>721962Loomhttps://www.loom.com721962https://cdn.loom.com/sessions/thumbnails/8ab37359a8664578a5c939ae63819274-00001.jpg140p: To determine the mean number of children per household in a community, Tabitha surveyed 20 families at a playground. For the 20 families surveyed, the mean number of children per household was 2.4. Which of the following statements must be true? a: The mean number of children per household in the community is 2.4. ; A determination about the mean number of children per household in the community should not be made because the sample size is too small. ; The sampling method is flawed and may produce a biased estimate of the mean number of children per household in the community. ; The sampling method is not flawed and is likely to produce an unbiased estimate of the mean number of children per household in the community. ;