What is the population standard deviation (?) for this set of data? 72, 61, 80, 76, 54
a. 10.81
b. 68.60
c. 93.44
d. 9.67
d. 9.67
You might also like to view...
Owing to the psychological changes experienced by adolescents, which of the following would improve learning in a middle school environment?
a. increased opportunities for competition, social comparisons, and public evaluations in the classroom b. maintaining rules of order and course requirements that are determined by knowledgeable adults c. relationships with teachers that are more professional and less personal than in elementary classes d. giving the adolescent increased responsibility for making decisions about how the classroom will operate
Suppose you design an experiment to test whether learning chess improves problem- solving abilities. First, you assess your sample’s problem-solving abilities. Then you teach half of your sample to play chess, while the other half of the sample is not taught. Then you assess problem-solving abilities again. What is the independent variable?
a. chess instruction b. problem solving c. the group taught to play chess d. the group that was not taught to play chess
Briefly describe the responsibilities of the state department of education
What will be an ideal response?
Which of the following weakens teaching's claims to professionalism?
a. the belief that almost anyone can teach b. teachers who say they learned little or nothing in their education courses c. teachers who insist on using their own judgment in the classroom, based on their education and experience d. a and b