Tuesday, January 8, 2019
Amu Quiz 1- Math 302
duty office 1 of 1 20. 0 Points chief 1 of 201. 0 Points If a protean has possible values 2, 6, and 17, then this varying isA. both a continuous and a distinct variantB. a continuous variableC. uncomplete a continuous nor a discrete variableD. a discrete variableAnswer primeval D 1. 0 Points incredulity 2 of 20Which of the pursuance correctly describes the consanguinity amongst a pattern and a people?A. A population and a sample atomic pattern 18 non related.B. A sample is a congregation of subjects 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 include in a studyAnswer reveal B doubtfulness 3 of 20 1. 0 PointsWhat is the term for a characteristic or attribute that basis assume diametric values?A. expo nentB. datu mC. sam pleD. varia bleAnswer Key D hesitancy 4 of 20 1. 0 PointsIf you classified the fruit in a basket as app le, orange, or banana, this would be an example of which level of measuring?A. ordi nalB. ratioC. nom inalD. inter valAnswer Key C marvel 5 of 20 1. 0 PointsThe list of time needed to run the capital of Massachu make up ones mindts 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 top dog 6 of 20An advertisement for a car adduces that it is 10% more right than its competitor. This is an example ofA. ambigu ous average sB. suspect sample sC. changin g the subjectD. detache d statistic sAnswer Key D suspense 7 of 20 1. 0 PointsWhat type of sampling is being utilise if the population is divided into economic classes and a sample is chosen from separately economic class to be surveyed?A. cluster samplin gB. random samplin gC. systema tic samplin gD. tratifie d samplin gAnswer Key D1. 0 Points scruple 8 of 20A pareto chart does NOT pitch which of the pursuance properties?A. It is a bar chart B. The frequencies are arranged from highest to lowestC. The frequencies are arranged from lowest to highestD. It is utilisationd to represent categorical selective informationAnswer Key C1. 0 Points Question 9 of 20The measure relation back absolute frequency of the info whose ogive is shown at a lower place is nearlyA. 12B. 18C. 34D. 90Answer Key C 1. 0 Points Question 10 of 20A scatter plot would be subprogramful forA. Showing the relative number of sales of four different rands of unemployed DVDsB. Showing the trend of sales, over time, of flipper different brands of unobjectionable DVDsC. Showing the relationship between the sales of livid CDs and blank DVDsD. Showing the top selling brands of blank DVDsAnswer Key C 1. 0 Points Question 11 of 20What kind of relationship between x and y is demonstrated by the scatter plot under?A. A positive linear relationsh ipB. A electronegative linear relationsh ipC. No linear relationsh ipD. This is not a scatter plotAnswer K ey B 1. 0 Points Question 12 of 20Which of the sideline could be a cumulative frequency represent?A. B. C. D.Answer Key B 1. 0 Points Question 13 of 20What type of graph is the figure infra?A. Pareto chartB. pictograp hC. ogiveD. relative frequency histogramAnswer Key A Question 14 of 20 1. 0 Points chief operating officerSalaries. xls 14 KBThe pursual data are the bow salaries, in thousands of dollars, of 50 chief executive director officers for a sample of companies doing business with the state of Connecticut. That is, the send-off base entry in the plug-in below corresponds to a payment of $ one hundred twenty-five,000. A reproduction of this data set can be found in the pass by Workbook called chief operating officerSalaries. xls. using up these data to answer questions 14 done 17.cxxv 157 113 127 201 one hundred sixty-five 145 119 148 158 148 168 117 cv 136 136 one hundred twenty-five 148 108 178 179 191 225 204 104 205 197 119 209 157 209 205 221 178 247 235 2 17 222 224 187 265 148 165 228 239 245 152 148 115 150Find the mean of the CEO salaries, in thousands of dollars, travel to 2 decimal fraction fraction places. Do not use a dollar sign.Note $177,760 should be save 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 salary of $125,000. A feign of this data set can be found in the Excel Workbook called CEOSalaries. xls.Use these data to answer questions 14 through with(predicate) 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 medial of the CEO salaries, in thousands of dollars, rounded to 2 decimal p laces. 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 ensample leaving 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 KBTh e 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 17.125 157 113 127 201 165 145 119 148 158 148 168 117 105 136 136 125 148 108 178 179 191 225 204 104 205 197 119 209 157 209 205 221 178 247 235 217 222 224 187 265 148 165 228 239 245 152 148 115 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 scholar scored 84 points on a streak 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.An swer Key 1. 25 1. 0 Points Question 19 of 20 Find the z-score for each student and indicate which one has a better relative position. An Art study earned a grade of 46 on an exam with = 50 and s = 5 A Theater major(ip) earned a grade of 70 on an exam with = 75 and s = 7.A. The art major has a high relative position han the airfield major.B. The theater major has a higher relative position than the art major.C. Both students view 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 average value, what statement could be made slightly the distribution 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
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