Please explain correct answer (the green is not necessarily correct), thank you!
ID: 3275095 • Letter: P
Question
Please explain correct answer (the green is not necessarily correct), thank you!
The figure below shows a cumulative relative frequency plot of 40 scores on a test given in a Statistics class. Which of the following conclusions can be made from the graph? The median test score is less than 75. b) Sixty percent of the students had a test score above 80. c) The horizontal nature of the graph for test scores of 60 and below indicates that those scores occurred most frequently. d) The IQR of the data is approximately 25.Explanation / Answer
The answer is "b"
Here 40 cumulative frequency plot of 40 score from the graph.(sixty percent of the students had a test score above 80)