statistics
2015
2016
2017
2018
Answer is Right!
Answer is Wrong!
12. The percentage of students obtaining more than 10 and less than or equai to 40 marks is
15
65
69
74
Answer is Right!
Answer is Wrong!
13. Given the following data: Class Interval FrequencyIf the mean is 18, then the value of A is
8
7
11
10
Answer is Right!
Answer is Wrong!
14. In which one among the following given years, the total production of all types of scooters was minimum ?
2017
2018
2019
2020
Answer is Right!
Answer is Wrong!
15. The following table gives performance of 500 students in four tests: Age group (I) (II) (III) (IV) Average Marks65 65 60 82 Range of Marks 25-85 15-100 55-750-100A stutend scores 74 marks in each test, Comparatively in which test he perfomed best?
(I)
(II)
(III)
(IV)
Answer is Right!
Answer is Wrong!
16. For a certain year, the percentage of the total population by age-group is as follows: Age-Group in years Percentage15 years or less 30 16-25 17.75 26-25 17.25 36-45 14.50 46-55 14.25 56-65 5.12 66 and above 1.13 If 200 million people were below 36 years in age, approximately how many million will be in the age group 56 – 65 ?
12.75
14.9
15.75
None of the above
Answer is Right!
Answer is Wrong!
17. In which pairs of years the total production of Type-T scooters was three lakhs ?
2016 and 2018
2018 and 2020
2017 and 2020
None of these
Answer is Right!
Answer is Wrong!
Detailed SolutionIn which pairs of years the total production of Type-T scooters was three lakhs ?
18. The marks obtained by six students in a test are 12, 25, 18, 18, 20, The number of students whose marks are more than the average marks is
1
2
3
4
Answer is Right!
Answer is Wrong!
19. The first quartile is also known as
Median
Lower quartile
Mode
Third decile
Answer is Right!
Answer is Wrong!
20. Which of the two series is more consistent?
Series A
Series B
Series A and B are equally consistent
None of the above
Answer is Right!
Answer is Wrong!
Detailed SolutionWhich of the two series is more consistent?