The chair of the psychology department wants to determine the average gpa of all psychology majors at the college. she compiles a list of the gpas of all the psychology majors and calculates the average. the chairperson is working with data from a(n): a) invalid source. b) population. c) sample. d) case study.

C

Explanation: The correct answer is letter C, sample. By compiling a list of all the GPAs of all psychology majors the chairperson is taking a sample of their psychology department and not the total population of GPAs majoring psychology.

president reagan was a good presidant and should be presidant if he was still alive

explanation:

hey,

i hope you are having a wonderful day

the correct answer is :

{b.}   ( american workers lose job opportunities )

hope this : )

    -sprinkles