4. The study "The Demographics of Social Media Users" (Pew Research Cen- ter, August 19, 2015) reported that 72% of adult American Internet users use Facebook. The 72% figure was based on a representative sample of n = net users. Use the data from this survey to estimate the proportion of all adult American Internet users who use Facebook. 1602 adult American Inter-

Q: 35. In a large sample, which is the bigger concern?

A: HERE GIVEN, SAMPLE SIZE IS TOO LARGE

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Q: In 1941​, an organization surveyed 1100 adults and​ asked, "Are you a total abstainer​ from, or do…

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Q: Consider a sample with data values of 27, 25, 21, 15, 31, 33, 28, and 25. Compute the 20th, 25th,…

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Matrices

‘Matrices’ is the plural form of the word matrix, and it is basically a spreadsheet in the form of a box. In mathematics, various functions can be carried out with matrices. Generally, a matrix comes in the shape of a square or rectangle. The elements are distributed horizontally in the form of rows, and vertically in the form of columns.