The u. s. bureau of labor statistics reports that 11.3% of u. s. workers belong to unions (bls website, january 2014). suppose a sample of 400 u. s. workers is collected in 2014 to determine whether union efforts to organize have increased union membership.
a. formulate the hypotheses that can be used to determine whether union membership increased in 2014. h0: p ha: p
b. if the sample results show that 52 of the workers belonged to unions, what is the p-value for your hypothesis test (to 4 decimals)?
c. at α = .05, what is your conclusion?

Compare and contrast walden and "the experiences of the a.c." include the authors, their ideas, and reasons of their failures from a christian perspective.

On average, being married has a(n) effect on happiness.

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a researcher conducts a comparison of the comments made in a publicly available blog and the blogger's comments on a similar topic in a weekly magazine. undergraduate students in a field methods class are assigned a research question and asked to interview another classmate, to be followed by a class discussion on interview techniques. a cognitive psychologist enrolls undergraduate students for a computer-based study about the effect of mood on problem-solving behaviors. a researcher sets up a meeting with the superintendent of a large and diverse public school system to get data about the ethnic composition of the school system and the number of students receiving free lunches.