Choose the correct definition of a sampling distribution. the sampling distribution of a statistic of size isa. the distribution of the statistic in one simple random sample of size from a given population. b.the distribution of the values obtained from a simple random sample of size from the same population. c.the distribution of the parameter in one simple random sample of size from a given population. d.the distribution of all values of the statistic resulting from all samples of size taken from the same population. e.the distribution of all values of the parameter resulting from all populations of size .

Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.

Which system of linear inequalities is represented by the graph? + l tv x-3y > 6 and y > 2x o x + 3y > 6 and y o x-3y > 6 and y> 2x o x + 3y > 6 and y > 2x + 4 la +

Which of the following are accepted without proof in a logical system? check all that apply.