d. After taking a college Spanish course, two groups of students were given a Spanish compre- hension test. Group 1 had

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D After Taking A College Spanish Course Two Groups Of Students Were Given A Spanish Compre Hension Test Group 1 Had 1 (40.17 KiB) Viewed 35 times

d. After taking a college Spanish course, two groups of students were given a Spanish compre- hension test. Group 1 had never learned Spanish before while group 2 had previously taken a Spanish course in high school. The following graph shows a boxplot of the test scores for the two groups 100 80 09 Test Score 40 20 0 group 1 group2 Based on the boxplot, which of the following statements is TRUE? (1) The median of test scores for group I was higher than for group 2. (2) The interquartile range of test scores for group 1 was higher than for group 2. (3) The distribution of test scores for group 1 is left-skewed. (4) About 75% of test scores for group 1 is below 40. (5) About 25% of test scores for group 2 is below 70. e. Suppose that two events A and B are disjoint with P(A) = 0.4 and P(B) = 0.3. Which of the following is TRUE? (1) P(ANB) = 0.12 (2) P(AUB) =0.58 (3) P(An B) = 0.4 (4) Both (1) and (2) (5) All of the above