ReviewMCQuestions - A P Statistics Chapter 1 Test Review On...

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A. P. Statistics Chapter 1 Test Review On this test you will be expected to: 1) demonstrate understanding of the following terms and concepts * individuals and variables * categorical and quantitative variables * center, shape, spread, and outlier * mean and median * five-number summary and interquartile range * variance and standard deviation 2) construct and interpret the following graphs * histogram * stemplot and back-to-back stemplot * dot plot * box plot and modified box plot * time plot * cumulative frequency plot 3) compare and contrast the above graphs 4) match a data set to a graph 5) estimate the mean and median of a graph and demonstrate understanding of how the mean and median are related to each other 6) demonstrate understanding of the concept of resistance 7) determine whether or not a data value is an outlier 8) use your calculator to find the 5 number summary for data given in a frequency table Things you should do: Look at the sections summaries on pages 24 and 47 and read through the Chapter Review which begins on p. 51. Look over old quizzes and handouts. Work through the practice multiple choice questions and check your answers. Ask questions if you don’t understand! Work through sample short answer questions. Pay attention to details such as labeling graphs, showing work, and justifying your answers with complete sentences. Practice Multiple Choice Questions 1. Ms. Sweet’s biology class had a standard deviation of 2.4 on a standardized test and Ms. Sour’s biology class had a standard deviation of 1.2 on the same test. What can be said about these two classes? a. Ms. Sweet’s class is more homogeneous than Ms. Sour’s class. b. Ms. Sour’s class is more homogeneous than Ms. Sweet’s class. c. Ms. Sour’s class on the average scored lower on the test than did Ms. Sweet’s class. d. Ms. Sweet’s class performed twice as well as did Ms. Sour’s class. e. Ms. Sour’s class performed twice as well as did Ms. Sweet’s class. 2. For a symmetric distribution, the mean and the median are a. the same b. always different c. sometimes the same, sometimes different d. greater than the standard deviation e. insufficient information to determine the correct answer Use the stem plot below to answer questions 3 and 4. You should not try to enter the data into your calculator; rather you should be able to determine the answer by simply looking at the graph. (In fact, on the test if you did this problem by punching in the data, you probably wouldn’t have enough time to finish the test.) A
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