Your answer is correct the figure below shows a

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Question 8Your answer is CORRECT.The figure below shows a cumulative relative frequency histogram of 40 scores on a test given in a Statistics class. Which of the following conclusions can be made from the graph?a) Sixty percent of the students had a test score above 80.b) There is greater variability in the lower 20 test scores than in the higher 20 test scores.
c) The median test score is less than 70.d) The horizontal nature of the graph for test scores of 60 and below indicates that those scores occurred most frequently.
Question 9Your answer is CORRECT.The distribution that has the box plot shown could be described as
Question 10Your answer is CORRECT.Calculate the mean, median, mode, range and standard deviation of the data: -9, -5, -5, 1, 4

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