1. On a national standardized test Jimmy gets results that say he scored in the
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Question
1. On a national standardized test Jimmy gets results that say he scored in the 95th percentile. This neans (a) Jimmy got 95% of the questions correct on the test. (b) Jimmy's score was two standard deviations above the mean. (c) Of the students that took the exam, 95% scored the same or lower than Jimmy. (d) Of the students that took the exam, 5% scored the same or lower than Jimmy. 2. A high school offers three foreign language options. To determine the proportion of students who are satisfied with their foreign language study, the principal obtains a list of all students who are enrolled in a foreign language class. She randomly samples 30 students from each language. Identify the type of sampling method used. (a) Random (b) Systematic(c) Cluster (d) Stratified (e) Multistage 3. Which of the following statistics is NOT a resistant statistic? (o) Upper Quartile (b) Mecdian (c) Mean (d) Lower Quartile 4. For the distribution drawn here, identify the mean, median, and mode. (a) A menn, B mode, C median (b) A mode, B-mean, C = median (c) A median. B " mode, C = mean (d) Am mode, B" nexlian, C#meanExplanation / Answer
1. Among four options c is correct
2. D
3. Mean is not resistant statistic
4. D
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