Question: A student survey 60 out of 600 students and finds that 15 students prefer online learning. Predict how many students in the whole school prefer online learning and explain the reliability of the prediction
A) 100;highly reliable because the sample is large and random
B) 150;not reliable because the survey was not random
C) 200;reliable because 60 is 10% of 600
D) 150;fairly reliable if the sample was random
Correct answer: D
Grade: 7 | Topic: Statistics and Probability | Difficulty: Hard | Standard: 7.SP.A.2