What is the difference between an experimental variable and a control variable?

Free points and brainliest to whoever answers this right! some vehicles, like have different rules for registration and renewal. a. trailers b. coupes c. sedans d. pickup trucks

The average act score follows a normal distribution, with a mean of μ = 21.1 and a standard deviation of σ = 5.1. what is the probability that the mean iq score of 50 randomly selected people will be more than 23? 0 1 0.9958 0.3547 0.0042

Compare the objectives and strategies of organized labor and populists for challenging the prevailing economic beliefs and practices of the ''gilded age.''