Which of the following is true about parameters and statistics? O Statistics can never be known. In some cases a parameter can be known, and we use it to understand the behavior of a different statistic. O Parameters can never be known. Parameters and statistics are the same thing. Statistics always agree with parameters. O We always use statistics to estimate parameters. Statistics always differ from parameters..Which of the following gives the n=2 sample distribution for the mean for the data set {1, 2, 4, 8}? r\" 1.5, 2.5, 3, 4.5, 5,6 (\"a 1, 2,4,8 6\" 1.5, 3,6 6\" 3.75 r\" 2.33, 3.66, 4.33, 4.66 A 2.33, 3, 3.66, 4.33, 4.66, 5, 6