A) 4 done clear
B) 5 done clear
C) 6 done clear
D) 7 done clear
View Solution play_arrowquestion_answer2) 'More than' ogive is ___.
A) an ascending curve done clear
B) a descending curve done clear
C) first ascending curve and then descending curve done clear
D) first descending curve and then I ascending curve done clear
View Solution play_arrowA) 31 done clear
B) 26 done clear
C) 28 done clear
D) 25 done clear
View Solution play_arrowquestion_answer4) Find the mode for the following data.
Age | 0-6 | 6-12 | 12-18 | 18-24 | 24-30 | 30-36 | 36-42 |
Frequency | 6 | 11 | 25 | 35 | 18 | 12 | 6 |
A) \[20.22\] done clear
B) \[19.47\] done clear
C) \[21.12\] done clear
D) \[20.14\] done clear
View Solution play_arrowA) \[p\] done clear
B) \[3p\] done clear
C) \[p+1\] done clear
D) \[3p+1\] done clear
View Solution play_arrowA) \[4.5\] done clear
B) \[4.6\] done clear
C) \[4.7\] done clear
D) \[4.8\] done clear
View Solution play_arrowA) \[6.25\] done clear
B) \[6.75\] done clear
C) \[6.27\] done clear
D) \[6.42\] done clear
View Solution play_arrowquestion_answer8) Which of the following is not a measure of central tendency?
A) Mean done clear
B) Median done clear
C) Mode done clear
D) Standard deviation done clear
View Solution play_arrowA) \[\frac{\overline{x}}{m}+n\] done clear
B) \[\frac{\overline{x}}{n}+m\] done clear
C) \[\overline{x}+\frac{n}{m}\] done clear
D) \[\overline{x}+\frac{m}{n}\] done clear
View Solution play_arrowA) \[11.75\] done clear
B) 11 done clear
C) 14 done clear
D) 13 done clear
View Solution play_arrowA) Histogram done clear
B) Frequency curve done clear
C) Frequency polygon done clear
D) Ogive done clear
View Solution play_arrowA) Always positive done clear
B) Always negative done clear
C) 0 done clear
D) A non-zero number done clear
View Solution play_arrowquestion_answer13) Find the value of p, if the mean of the following data is 20.
\[{{x}_{i}}\] | 15 | 17 | 19 | 20 +p | 23 |
\[{{f}_{i}}\] | 2 | 3 | 4 | 5p | 6 |
A) 2 done clear
B) 1 done clear
C) 4 done clear
D) 10 done clear
View Solution play_arrowA) 28 done clear
B) 31 done clear
C) 43 done clear
D) 37 done clear
View Solution play_arrowA) 23 done clear
B) 24 done clear
C) 27 done clear
D) 25 done clear
View Solution play_arrowA) \[\frac{S+T}{2}\] done clear
B) \[\frac{S+11T}{2}\] done clear
C) \[\frac{1}{11S}+T\] done clear
D) \[\frac{11S+T}{12}\] done clear
View Solution play_arrowA) \[75\text{ }km/hr\] done clear
B) \[72\text{ }km/hr\] done clear
C) \[70\text{ }km/hr\] done clear
D) \[30\text{ }km/hr\] done clear
View Solution play_arrowA) 175 kg done clear
B) 62 kg done clear
C) 64 kg done clear
D) 72 kg done clear
View Solution play_arrowquestion_answer19) Candidates of four school appear in a mathematics test. The data is as follows:
Schools | No. of Candidates | Average Score |
I. | 60 | 75 |
II. | 48 | 80 |
III. | Not available | 55 |
IV. | 40 | 50 |
A) 51 done clear
B) 52 done clear
C) 50 done clear
D) 53 done clear
View Solution play_arrowA) 64 degree done clear
B) 62 degree done clear
C) 56 degree done clear
D) None of these done clear
View Solution play_arrowquestion_answer21) Fill in the blanks.
(i) For a given data with 110 observations the 'less than ogive' and 'more than ogive' intersect at (18, 20). The median of the data is P. |
(ii) The curve is drawn by taking upper limit of class interval along x-axis and cumulating frequency along y-axis is Q than ogive. |
(iii) The mean of 50 numbers is 18, the new mean will be R if each observation is increased by 4. |
(iv) The mean of seven consecutive natural numbers is 20, then the largest number is S and smallest number of them is T. |
A)
P | Q | R | S | T |
18 | Less | 22 | 23 | 17 |
B)
P | Q | R | S | T |
20 | More | 25 | 22 | 16 |
C)
P | Q | R | S | T |
18 | More | 22 | 24 | 18 |
D)
P | Q | R | S | T |
20 | Less | 25 | 22 | 16 |
Class Interval | Frequency | Class | Frequency |
0-100 | 2 | 500-600 | 20 |
100-200 | 5 | 600-700 | \[{{f}_{2}}\] |
200-300 | \[{{f}_{1}}\] | 700-800 | 9 |
300-400 | 12 | 800-900 | 7 |
400-500 | 17 | 900-1000 | 4 |
A) 8, 14 done clear
B) 11, 17 done clear
C) 9, 15 done clear
D) 10, 16 done clear
View Solution play_arrowquestion_answer23) Find the mean, median and mode of the following data.
Classes | 0-20 | 20-40 | 40-60 | 60-80 | 80-100 | 100-120 | 120-140 |
Frequency | 6 | 8 | 10 | 12 | 6 | 5 | 3 |
A)
Mean | Median | Mode |
50.67 | 62.67 | 64.5 |
B)
Mean | Median | Mode |
60.67 | 52.42 | 64.5 |
C)
Mean | Median | Mode |
62.4 | 61.67 | 65 |
D)
Mean | Median | Mode |
62.4 | 62.42 | 65 |
Marks obtained | No. of candidates |
Less than 10% | 7 |
Less than 20% | 39 |
Less than 30% | 95 |
Less than 40% | 201 |
Less than 50% | 381 |
Less than 60% | 545 |
Less than 70% | 631 |
Less than 80% | 675 |
A) 47.58, 46.33 done clear
B) 49.12, 48.22 done clear
C) 45.24, 46.22 done clear
D) 47.58, 48.22 done clear
View Solution play_arrowquestion_answer25) Find the median for the following distribution of workers.
Daily wages | No. of workers | Daily wages | No. of workers |
1-3 | 6 | 9-11 | 21 |
3-5 | 53 | 11-13 | 16 |
5-7 | 85 | 13-15 | 4 |
7-9 | 86 | 15-17 | 4 |
A) \[7.14\] done clear
B) \[6.84\] done clear
C) \[5.92\] done clear
D) \[5.57\] done clear
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