4 ms·

Option C is missing, that must be the unambiguously correct answer.

• bo1024 4y ago
  What do you think it might say?
  • bjornlouser 4y ago
    Check if the 90 received confirms or is in conflict with the findings your boss wants to see.
    • bhk 4y ago
      Jinx!
  • bhk 4y ago
    C. Use the 90 responses as a sample if it supports your intended conclusion. Start over otherwise.
  • Scarblac 4y ago
    Kick the non responders out of school. Now the sample is representative, or else.