Amu Quiz 1- Math 302

Part 1 of 1 20. 0 Points psyche 1 of 201. 0 Points If a variable has viable values 2, 6, and 17, then this variable isA. both a continuous and a discrete variableB. a continuous variableC. neither a continuous nor a discrete variableD. a discrete variableAnswer notice D 1. 0 Points oral sex 2 of 20Which of the interest correctly describes the descent between a take and a population?A. A population and a assay be not related.B. A sample is a group of undefendeds selected from a population to be studied.C. A sample is a group of populations that atomic number 18 subject to observation.D. A population is a group of samples that may or may not be included in a studyAnswer discover B Question 3 of 20 1. 0 PointsWhat is the term for a trait or attribute that fuck assume different values?A. expo nentB. datu mC. sam pleD. varia bleAnswer differentiate D Question 4 of 20 1. 0 PointsIf you classified the fruit in a basket as apple, orange, or banana, this would be an trial runple of which level of measurement?A. ordi nalB. ratioC. nom inalD. inter valAnswer Key C Question 5 of 20 1. 0 PointsThe amount of time compulsory to run the Boston marathon is an example of which type of variable?A. contin uousB. discret eC. qualita tiveD. none of the aboveAnswer Key A 1. 0 Points Question 6 of 20An advertisement for a car responsibilitys that it is 10% more powerful than its competitor. This is an example ofA. ambigu ous average sB. venture sample sC. changin g the subjectD. detache d statistic sAnswer Key D Question 7 of 20 1. 0 PointsWhat type of sampling is being employed if the population is divided into stinting classes and a sample is chosen from each economic class to be surveyed?A. cluster samplin gB. random samplin gC. systema tic samplin gD. tratifie d samplin gAnswer Key D1. 0 Points Question 8 of 20A pareto chart does NOT have which of the following properties?A. It is a bar chartB. The frequencies are arranged from highest to lowestC. The frequ encies are arranged from lowest to highestD. It is utilize to represent categorical informationAnswer Key C1. 0 Points Question 9 of 20The numerate proportional frequency of the data whose ogive is shown beneath is approximatelyA. 12B. 18C. 34D. 90Answer Key C 1. 0 Points Question 10 of 20A collapse plot would be engrossful forA. presentation the carnal knowledge number of sales of four different rands of blank DVDsB. video display the trend of sales, over time, of five different brands of blank DVDsC. Showing the relationship between the sales of blank CDs and blank DVDsD. Showing the top change brands of blank DVDsAnswer Key C 1. 0 Points Question 11 of 20What patient of of relationship between x and y is demonstrated by the scatter plot below?A. A positive linear relationsh ipB. A veto linear relationsh ipC. No linear relationsh ipD. This is not a scatter plotAnswer Key B 1. 0 Points Question 12 of 20Which of the following could be a cumulative frequency graph?A. B. C. D.Answer Key B 1. 0 Points Question 13 of 20What type of graph is the figure below?A. Pareto chartB. pictograp hC. ogiveD. relative frequency histogramAnswer Key A Question 14 of 20 1. 0 Points chief executive officerSalaries. xls 14 KBThe following data are the beastly salaries, in thousands of dollars, of 50 captain executive officers for a sample of companies doing business with the adduce of Connecticut. That is, the first approach in the table below corresponds to a profits of $125,000. A counterpart of this data set can be give in the jump Workbook called chief operating officerSalaries. xls. Use these data to answer questions 14 through 17.125 157 113 127 201 clxv one hundred forty-five 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 clxv 228 239 245 152 148 115 150Find the mean of the CEO salaries, in thousands of dollars, rounded to 2 decimal derrieres. Do not substanc e abuse a dollar sign. tick off $177,760 should be recorded as 177. 76. 172. 34Answer Key 171. 25173. 50Question 15 of 20 1. 0 Points CEOSalaries. xls 14 KBThe following data are the base salaries, in thousands of dollars, of 50 hief 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 payment of $125,000. A copy of this data set can be represent in the Excel Workbook called CEOSalaries. xls.Use these data to answer questions 14 through 17.125 157 113 127 201 one hundred sixty-five 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 150Find the median 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. 165Answer Key 160. 00170. 00Question 16 of 20 1. 0 Points CEOSalaries. xls 14 KBThe 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.Use these data to answer questions 14 through 17.125 157 113 127 201 165 145 119 148 158 148 68 117 105 136 136 125 148 108 178 179 191 225 204 104 205 197 119 209 157 209 205 221 178 247 235 217 222 224 187 265 148 165 228 239 245 152 148 115 150Find the criterion deviation 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. 43. 94Answer Key 42. 0045. 00 1. 0 Points Question 17 of 20 CEOSalaries. xls 14 KBThe following data are the base salaries, in thousands of dollars, of 50 chief executive officers for a sample of companies doing business with the s tate 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.Use these data to answer questions 14 through 17.125 157 113 127 201 165 145 119 148 158 148 168 117 105 136 136 125 148 108 178 179 191 225 204 104 205 197 119 209 157 209 205 221 178 247 235 217 222 224 187 265 148 165 228 239 245 152 148 115 150Find the interquartile range 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. 6. 73Answer Key 68. 0074. 00 1. 0 Points Question 18 of 20 A student haved 84 points on a test where the mean score was 79 and the standard deviation was 4. Find the students z score, rounded to 2 decimal places, and place it in the blank.Answer Key 1. 25 1. 0 Points Question 19 of 20 Find the z-score for each student and indicate which one has a pause relative position. An Art Major earn ed a grade of 46 on an exam with = 50 and s = 5 A field of battle Major earned a grade of 70 on an exam with = 75 and s = 7.A. The art major has a higher relative position han the theater major.B. The theater major has a higher relative position than the art major.C. Both students have the same score.D. The higher score cannot be determined.Answer Key B 1. 0 Points Question 20 of 20Given the following boxplot where m is the median value, what statement could be made about the dissemination of the data?A. The distribution is approximately symmetric.B. The distribution is positively skewed.C. The distribution is negatively skewed.D. No statement can be made about the data because no data values are shown on the plot.Answer Key A