Question 1 of 10 • CR02201A Probability and Statistics
Chelsea wants to determine the number of people in her school who read news reports on the Internet daily. She asks five people in her language arts class. Which improvements could Chelsea make to her sample to increase the validity of the results? Select three options.
Answer
A
increase the sample size
B
choose students from different grade levels
C
choose every fourth student in all language arts classes
D
decrease the sample size
E
choose students whose answer to the survey question is predetermined