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Question;Quiz 2 Numerical descriptive statistics and;sampling;1. The following marks are the test 1 marks;for 10 randomly selected STA100 students: 67, 34, 98, 78, 76, 55, 80, 49, 91;66. What is the mean mark for this;sample?;a. 69.1;b. 69.4;c. 62.2;d. 70.3;e. 71.5;2. The following marks are the test 1 marks;for 10 randomly selected STA100 students: 67, 34, 98, 78, 76, 52, 80, 49, 91;66. What is the mean mark for this;sample?;a. 69.1;b. 69.4;c. 62.2;d. 70.3;e. 71.5;3. The following marks are the test 1 marks;for 10 randomly selected STA100 students: 67, 34, 98, 78, 76, 55, 80, 49, 19;66. What is the mean mark for this;sample?;a. 69.1;b. 69.4;c. 62.2;d. 70.3;e. 71.5;4. The following marks are the test 1 marks;for 10 randomly selected STA100 students: 67, 43, 98, 78, 76, 55, 80, 49, 91;66. What is the mean mark for this;sample?;a. 69.1;b. 69.4;c. 62.2;d. 70.3;e. 71.5;5. The average mark on a stats test for a;class of 25 students was 75%. If the 15;female students in the class averaged 70%, then what did the male students in;the class average?;a. 82.5%;b. 79.5%;c. 63.0%;d. 79.6%;e. 71.5%;6. The average mark on a stats test for a;class of 25 students was 75%. If the 15;female students in the class averaged 72%, then what did the male students in;the class average?;a. 82.5%;b. 79.5%;c. 63.0%;d. 79.6%;e. 71.5%;7. The average mark on a stats test for a;class of 25 students was 75%. If the 15;female students in the class averaged 83%, then what did the male students in;the class average?;a. 82.5%;b. 79.5%;c. 63.0%;d. 79.6%;e. 71.5%;8. The average mark on a stats test for a;class of 25 students was 75%. If the 12;female students in the class averaged 70%, then what did the male students in;the class average?;a. 82.5%;b. 79.5%;c. 63.0%;d. 79.6%;e. 71.5%;9. The average mark on a stats test for a;class of 25 students was 73%. If the 15;female students in the class averaged 70%, then what did the male students in;the class average?;a. 77.5%;b. 80.0%;c. 90.0%;d. 51.0%;e. 71.5%;10. The average mark on a stats test for a;class of 30 students was 75%. If the 15;female students in the class averaged 70%, then what did the male students in;the class average?;a. 77.5%;b. 80.0%;c. 90.0%;d. 51.0%;e. 71.5%;11. The average mark on a stats test for a;class of 25 students was 78%. If the 15;female students in the class averaged 70%, then what did the male students in;the class average?;a. 77.5%;b. 80.0%;c. 90.0%;d. 51.0%;e. 71.5%;12. The average mark on a stats test for a;class of 25 students was 75%. If the 15;female students in the class averaged 91%, then what did the male students in;the class average?;a. 77.5%;b. 80.0%;c. 90.0%;d. 51.0%;e. 71.5%;13. The average final exam mark for a class;of 15 stats students was 84%. However;soon after this average was calculated, it was discovered that one of the marks;was incorrectly recorded as 75%, when it was in fact 57%. If the marks are corrected, what would the;new class average be?;a. 82.8%;b. 83.1%;c. 78.8%;d. 82.5%;e. 71.5%;14. The average final exam mark for a class;of 20 stats students was 84%. However;soon after this average was calculated, it was discovered that one of the marks;was incorrectly recorded as 75%, when it was in fact 57%. If the marks are corrected, what would the;new class average be?;a. 82.8%;b. 83.1%;c. 78.8%;d. 82.5%;e. 71.5%;15. The average final exam mark for a class;of 15 stats students was 80%. However;soon after this average was calculated, it was discovered that one of the marks;was incorrectly recorded as 75%, when it was in fact 57%. If the marks are corrected, what would the;new class average be?;a. 82.8%;b. 83.1%;c. 78.8%;d. 82.5%;e. 71.5%;16. The average final exam mark for a class;of 15 stats students was 84%. However;soon after this average was calculated, it was discovered that one of the marks;was incorrectly recorded as 80%, when it was in fact 57%. If the marks are corrected, what would the;new class average be?;a. 82.8%;b. 83.1%;c. 78.8%*d. 82.5%;e. 71.5%;17. The average final exam mark for a class;of 15 stats students was 84%. However;soon after this average was calculated, it was discovered that one of the marks;was incorrectly recorded as 75%, when it was in fact 70%. If the marks are corrected, what would the;new class average be?;a. 83.7%;b. 84.4%;c. 82.4%;d. 83.3%;e. 71.5%;18. The average final exam mark for a class;of 15 stats students was 84%. However;soon after this average was calculated, it was discovered that one of the marks;was incorrectly recorded as 75%, when it was in fact 81%. If the marks are corrected, what would the;new class average be?;a. 83.7%;b. 84.4%;c. 82.4%;d. 83.3%;e. 71.5%;19. The average final exam mark for a class;of 15 stats students was 84%. However;soon after this average was calculated, it was discovered that one of the marks;was incorrectly recorded as 81%, when it was in fact 57%. If the marks are corrected, what would the;new class average be?;a. 83.7%;b. 84.4%;c. 82.4%;d. 83.3%;e. 71.5%;20. The average final exam mark for a class;of 25 stats students was 84%. However;soon after this average was calculated, it was discovered that one of the marks;was incorrectly recorded as 75%, when it was in fact 57%. If the marks are corrected, what would the;new class average be?;a. 83.7%;b. 84.4%;c. 82.4%;d. 83.3%;e. 71.5%;21. The following ages are those of 15;people interviewed at the Ster-Kinekor movie theatres in Canal Walk shopping;centre: 12, 14, 15, 19, 19, 21, 27, 31, 32, 46, 53, 56, 57, 58, 59. What is the sum of the median and the mode?;a. 50;b. 64;c. 52;d. 87;e. 51;22. The following ages are those of 15;people interviewed at the Ster-Kinekor movie theatres in Canal Walk shopping;centre: 12, 14, 15, 19, 19, 21, 27, 32, 32, 32, 53, 56, 57, 58, 59. What is the sum of the median and the mode?;a. 50;b. 64;c. 52;d. 87;e. 51;23. The following ages are those of 15;people interviewed at the Ster-Kinekor movie theatres in Canal Walk shopping;centre: 12, 14, 15, 18, 19, 21, 21, 31, 32, 46, 53, 56, 57, 58, 59. What is the sum of the median and the mode?;a. 50;b.64;c. 52;d. 87;e. 51;24. The following ages are those of 15;people interviewed at the Ster-Kinekor movie theatres in Canal Walk shopping;centre: 12, 14, 15, 19, 19, 21, 27, 31, 32, 46, 53, 56, 56, 56, 59. What is the sum of the median and the mode?;a. 50;b. 64;c. 52;d. 87;e. 51;25.Given the following data set, calculate the sum of the mean, median;and mode: 5, 3, 10, 4, 2, 3;a. 11.5;b. 12;c. 13.5;d. 11;e. 12.5;26. Given the following data set;calculate the sum of the mean, median and mode;5, 3, 10, 4, 11, 3;a. 11.5;b. 12;*c. 13.5;d. 11;e. 12.5;27. Given the following data set;calculate the sum of the mean, median and mode;8, 3, 10, 4, 2, 3;a. 11.5;b. 12;c. 13.5;d. 11;e. 12.5;28. Given the following data set;calculate the sum of the mean, median and mode;5, 3, 10, 7, 2, 3;a. 11.5;b. 12;c. 13.5;d. 11;e. 12.5

 

Paper#62447 | Written in 18-Jul-2015

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