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##### Stats Multiple Choice ten Problems

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Question;MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.;(5 points) The frequency distribution below summarize the home sale prices in a city for a specific month. Determine the width of each class.;20;28;30;31;(5 points) The following frequency distribution analyzes the scores on a test. Find the class boundaries of scores interval 95-99.;95.5, 99.5;95.5,100.5;94.5,99.5;94.5,100.5;(5 points) The histogram below represents the number of television sets per household for a sample of U.S. households. What is the maximum number of households having the same number of television sets?;20;100;5;50;(5 points) The students in John?s math class took the Scholastic Aptitude Test. Their math scores are shown below. Find the mean score.528 505 342 348 492;346 349 643 470 482;A. 450.5;B. 459.7;C. 460.5;D. 441.7;(5 points) Listed below are the amounts of time in months that the employees of a restaurant have been working at the restaurant. Find the median.12 4 6 8.5 12 16 17 32 53 85 99 123 140 167;A. 24.5 months;B. 58.7 months;C. 17 months;D. 32 months;(5 points) Listed below are the lengths in inches of each snake in the Atlanta Zoo?s reptile house. Find the mode.9 15 78 13 16 101 19 10 14 17 102;A. 17 inches;B. 13.9 inches;C. no mode;D. 78 inches;(5 points) The heights of a group of professional basketball players are summarized in the frequency distribution below. Find the mean height..;A. 78.2 in.;B. 76.4 in.;C. 74.4 in.;D. 13.2 in.;(5 points) A survey of the 9854 vehicles on the campus of State University yielded the following pie chart. Find the number of hatchbacks. Round to the nearest whole number.;A. 657;B. 36;C. 6307;D. 3547;SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Express percents as decimals. Round dollar amounts to the nearest cent.;9. There are 31 participants in a special high-adventure camp. Following is a list of the age of the participants.;16, 18, 13, 24, 17, 17, 18, 14, 14, 16, 14, 20, 22, 21, 1511, 13, 26, 27, 13, 16, 17, 17, 14, 19, 15, 17, 16, 19, 19, 28;a. (10 points) Prepare a frequency distribution of the participants' ages with a class width of 2, and another with class width of 5.;b. (10 points) Construct a histogram of the participants' age with a class width of 2 and another with a class width of 5.;10. I have a collection of 5 ancient gold coins. Their weights, in ounces, are 23.1, 18.6, 33.5, 12.4, and 27.1.;a. (5 points) What is the mean weight of my ancient gold coins?;b. (5 points) How do you consider this collection, a population or a sample? Why?;c. (10 points) What is the variance and standard deviation in weight of my coin collection?;11. Below is a summary of test score in two sections. The questions and possible maximum scores are different in these two sections. We notice that Student A4 in Section A and Student B2 in Section B have the same numerical score.;Test A;Student;Score;Test B;Student;Score;A1;70;B1;15;A2;42;B2;61;A3;53;B3;48;A4;61;B4;90;A5;22;B5;85;A6;87;B6;73;A7;59;B7;48;-----;------;B8;39;a. (15 points) How do these two students stand relative to their own classes based on their z-scores?;b. (5 points) Which student performed better? Explain your answer based on z-score.

Paper#62340 | Written in 18-Jul-2015

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