You measure 39 textbooks' weights, and find they have a mean weight of 35 ounces. Assume the population standard deviation is 8 ounces. Based on this, construct a 95% confidence interval for the true population mean textbook weight . Give your answers as decimals, to two places

american political culture includes a plenty of focus views and preferences. not all westerns experience the same opinions, of course, but the large preponderance promises to these general ideas, including equality, justice, freedom, individualism, integrity, and difference.

the united states is a democratic republic. residents elect representatives to governmental, nation, and local administration; those deputies create the regulations that command u.s. community. although emptiness in u.s. law needs it, in usage, the administrative system is ruled by executive factions.

answer; the intervening variable;

i do not know the question, but all of the above are correct; ///good luck;