217_228_CC_A_AMC2_C10_662328.indd Page 224 13/07/11 8:05 AM s-60userVolumes/110/GO00864/MIDDLE_SCHOOL_MATH/NATIONAL/ANCILLARY/ASSESSMENT_MASTERS_COURS s-60userVolumes/110/GO00864/MIDDLE_SCHOOL_MATH/NATIONAL/ANCILLARY/ASSESSMENT_MASTERS_COURS NAME _____________________________________________ DATE __________________ PERIOD _________ Standardized Test Practice Read each question. Then fill in the correct answer on the answer sheet provided by your teacher or on a sheet of paper. 1. Which of the following samples would be most representative of the entire student population? A. surveying every boy in a gym class B. surveying every girl in an art class C. surveying every teacher D. surveying every 3rd student who enters the school 2. Each spinner is spun once. 7 8 1 5 4 6 2 3 A B C D GRIDDED RESPONSE Neela has 11.5 yards of fabric. She will use 20% of the fabric to make a flag. How many yards of fabric will she use? 5. GRIDDED RESPONSE A patio blueprint has a key that shows 1 inch is equal to 12 feet. If the owner wants the length to be 30 feet, how many inches will the length be on the blueprint? 6. The number of ringtones that twelve middle school students have on their cell phones is 14, 8, 7, 6, 5, 5, 10, 11, 8, 8, 6, and 7. Which of the following statements is NOT supported by these data? F. Half of the ringtones are below 7.5 and half are above 7.5. G. The range of the data is 9 ringtones. H. An outlier of the data is 11 ringtones. I. About one fourth of the ringtones that the students have are at or above 9. Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use. What is the probability of spinning the number 3 and the letter A? 4. 3 F. − 8 1 G. − 4 1 H. − 8 1 I. −− 32 7. Which box plot represents the data set 8, 12, 21, 15, 20, 9, 16, 14, and 25? A. 3. Which of the following equations is equivalent to the equation shown below? C. 7x - 5 = 3x 224 8 10 12 14 16 18 20 22 24 26 8 10 12 14 16 18 20 22 24 26 8 10 12 14 16 18 20 22 24 26 C. B. 4x + 5 = -10 D. -4x + 5 = -10 10 12 14 16 18 20 22 24 26 B. 3x + 5 = 7x - 10 A. 10x + 5 = -10 8 D. Course 2 • Chapter 10 Statistics P DF P ass 217_228_CC_A_AMC2_C10_662328.indd Page 225 13/07/11 8:05 AM s-60userVolumes/110/GO00864/MIDDLE_SCHOOL_MATH/NATIONAL/ANCILLARY/ASSESSMENT_MASTERS_COURS s-60userVolumes/110/GO00864/MIDDLE_SCHOOL_MATH/NATIONAL/ANCILLARY/ASSESSMENT_MASTERS_COURS NAME _____________________________________________ DATE __________________ PERIOD _________ 8. Katherine polled 21 classmates to find out the average number of hours each spends watching television each week. Which of the following displays would be most appropriate to show the individual student responses? F. 9. The numbers of monthly minutes Gary used on his cell phone for the last eight months are shown below. Monthly Cell Minutes Number of Hours Spent Watching Television Each Week m m G. 620 550 600 475 425 SHORT RESPONSE Mr. Thompson made 20 liters of punch for a party. The punch contained 5 liters of orange juice. Write and solve a proportion to find the percent of orange juice in the punch. 11. EXTENDED RESPONSE The table Number of Hours Spent Watching Television Each Week 12 10 shows how values of a painting increased over ten years. 8 6 4 Year Value Year Value 0 2005 $350 2010 $1,851 2006 $650 2011 $2,151 2007 $950 2012 $2,451 2008 $1,200 2013 $2,752 2009 $1,551 2014 $3,052 10 –1 4 9 5– 0– 15 –1 9 2 4 Number of Students 450 10. 14 Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use. 550 What is the mode of this data? A. 550 minutes B. 450 minutes C. 475 minutes D. 400 minutes m m 400 Number of Hours H. Number of Hours Spent Watching Television Each Week × × 0 × × ×× 5 × × × × × × × × ××××××× 10 × ×× 15 20 /VNCFSPG)PVST4QFOU 8BUDIJOH5FMFWJTJPO&BDI8FFL I. Part A Select and create a display that shows the relationship between years and the value of the painting. Justify your reasoning. Part B Write a conclusion based on your graph. Part C Use the graph to predict what the value of the painting will be in 2018. 0 2 4 6 8 10 12 14 16 18 20 225 Course 2 • Chapter 10 Statistics P DF P ass 217_228_CC_A_AMC2_C10_662328.indd Page 226 17/09/11 5:37 PM s-20 /Volumes/110/GO00864/MIDDLE_SCHOOL_MATH/NATIONAL/ANCILLARY/ASSESSMENT_MASTERS_COURSE1 NAME _____________________________________________ DATE __________________ PERIOD _________ Student Recording Sheet SCORE _________ Use this recording sheet with the Standardized Test Practice pages. Fill in the correct answer. For gridded-response questions, write your answers in the boxes on the answer grid and fill in the bubbles to match your answers. 1. A B C D 6. F G H I 2. F G H I 7. A B C D 3. A B D 8. F G H I 9. A B C D 4. C 2 . 3 5 x −− = −−− ; 25% 20 100 10. 11a. Line graphs show change over time. Value of Painting 3,500 1,500 1,000 5 / 2 500 0 ‘0 5 ‘0 6 ‘0 7 ‘0 8 ‘0 9 ‘1 0 ‘11 ‘1 2 ‘1 3 ‘1 4 5. 2,500 2,000 Year 11b. Sample answer: The value of the painting increased from 2005 to 2014. 11c. Sample answer: $4,000 Extended Response Record your answers for Exercise 11 on the back of this paper. 226 Course 2 • Chapter 10 Statistics P rinter P DF Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use. Value ($) 3,000
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