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##### APUS MATH302 Q1

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Question;Question 1 of 20;1.0/;1.0 Points;Which of the following is the;graphical analog of a frequency table?;Question 2 of 20;1.0/;1.0 Points;The mode is best described as;the;Question 4 of 20;0.0/;1.0 Points;Which measure of central;location is meaningful when the data are categorical?;Question 5 of 20;1.0/;1.0 Points;Which of the following;statements are false?;Question 6 of 20;1.0/;1.0 Points;The total frequency of the data;whose ogive is shown below is approximately;Question 7 of 20;1.0/;1.0 Points;Given;the following boxplot where m is the median value, what;statement could be made about the distribution of the data?;Question 8 of 20;1.0/;1.0 Points;A time series plot is;essentially a;Question 9 of 20;1.0/;1.0 Points;For a boxplot, the box itself;represents what percent of the observations?;Question 10 of 20;1.0/;1.0 Points;A histogram that has a single;peak and looks approximately the same to the left and right of the peak is;called;Question 11 of 20;1.0/;1.0 Points;If a variable has possible;values ?2, 6, and 17, then this variable is;Question 12 of 20;1.0/;1.0 Points;A variable is classified as;ordinal if;Part 2 of 3 -;3.0/;6.0 Points;Question 13 of 20;0.0/;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign;indicators (-), spaces (e.g., as thousands separator, 5 000), "E;or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point;marker.;Complex numbers should be in the form (a + bi) where "a" and;b" need to have explicitly stated values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas;{9i} is not.;A sample of 150 students at a;State University was taken after the final business statistics exam to ask;them whether they went partying the weekend before the final or spent the;weekend studying, and whether they did well or poorly on the final. The;following table contains the result.;Did Well on Exam;Did Poorly on Exam;Studying for Exam;60;15;Went Partying;22;53;If the sample is a good representation of the population, what percentage;of those who did poorly on the final exam should we expect to have spent;the weekend studying?Place your answer in the blank, rounded to 2 decimal;places. Do not use a percentage sign (%). For example, 44.44 would be a;legitmate answer.;Question 14 of 20;1.0/;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign;indicators (-), spaces (e.g., as thousands separator, 5 000), "E;or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point;marker.;Complex numbers should be in the form (a + bi) where "a" and;b" need to have explicitly stated values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas;{9i} is not.;The histogram below represents;scores achieved by 250 job applicants on a personality profile.;How many job applicants scored;above 50?Place your answer in the blank. Do not use any stray;symbols. For example, 123 would be a legitimate answer.;Question 15 of 20;0.0/;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign;indicators (-), spaces (e.g., as thousands separator, 5 000), "E;or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point;marker.;Complex numbers should be in the form (a + bi) where "a" and;b" need to have explicitly stated values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas;{9i} is not.;The following data represent the number of children in a sample of 10;families from Chicago: 4, 2, 1, 1, 5, 3, 0, 1, 0, and 2.;Compute the variance of the data. Place your answer, rounded to two decimal;places, in the blank. For example, 3.45 would be a legitimate entry.;Question 16 of 20;0.0/;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign;indicators (-), spaces (e.g., as thousands separator, 5 000), "E;or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point;marker.;Complex numbers should be in the form (a + bi) where "a" and;b" need to have explicitly stated values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas;{9i} is not.;A sample of 150 students at a;State University was taken after the final business statistics exam to ask;them whether they went partying the weekend before the final or spent the;weekend studying, and whether they did well or poorly on the final. The;following table contains the result.;Did Well on Exam;Did Poorly on Exam;Studying for Exam;60;15;Went Partying;22;53;If the sample is a good representation of the population, what percentage;of the students in the population should we expect to spend the weekend;studying and do poorly on the final exam? Place your answer in the blank, rounded to 2;decimal places. Do not use a percentage sign (%). For example, 44.44 would;be a legitimate answer.;Question 17 of 20;1.0/;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign;indicators (-), spaces (e.g., as thousands separator, 5 000), "E;or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point;marker.;Complex numbers should be in the form (a + bi) where "a" and;b" need to have explicitly stated values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas;{9i} is not.;The histogram below represents;scores achieved by 250 job applicants on a personality profile.;Sixty percent of the job;applicants scored below what value?Place your answer in the blank. Do not use any stray;symbols. For example, 123 would be a legitimate answer.;Question 18 of 20;1.0/;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign;indicators (-), spaces (e.g., as thousands separator, 5 000), "E;or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point;marker.;Complex numbers should be in the form (a + bi) where "a" and;b" need to have explicitly stated values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas;{9i} is not.;The following data are the base;salaries, in thousands of dollars;of 50 chief executive officers for a sample of companies doing business;with the state of Connecticut. That is, the first entry in the table;below corresponds to a salary of $125,000. A copy of this data set can;be found in the Excel Workbook called CEOSalaries.xls.;125;157;113;127;201;165;145;119;148;158;148;168;117;105;136;136;125;148;108;178;179;191;225;204;104;205;197;119;209;157;209;205;221;178;247;235;217;222;224;187;265;148;165;228;239;245;152;148;115;150;Find the mean of the CEO salaries, in thousands of dollars, rounded to 2;decimal places. Do not use a dollar sign. Note: $177,760 should;be recorded as 177.76. CEOSalaries.xls;Part 3 of 3 -;1.0/;2.0 Points;Question 19 of 20;0.0/;1.0 Points;Age, height, and weight are;examples of numerical data.;Question 20 of 20;1.0/;1.0 Points;Phone numbers, Social Security;numbers, and zip codes are examples of numerical variables

Paper#60253 | Written in 18-Jul-2015

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