A) mean done clear
B) mode done clear
C) median done clear
D) mean and mode done clear
E) None of these done clear
View Solution play_arrowA) modal class done clear
B) median class done clear
C) class preceding the modal class done clear
D) Class preceding the median class done clear
E) None of these done clear
View Solution play_arrowquestion_answer3) Which among the following statements is incorrect?
A) In a grouped frequency distribution/ it is not possible to determine the mode by looking at the frequencies, done clear
B) In a grouped frequency distribution, modal class is the class which have maximum frequency. done clear
C) The mode of the data is a value inside the modal class done clear
D) Median of the grouped data can be calculated by using the formula. Median =\[l+\left( \frac{\frac{n}{2}-cf}{f} \right)\] done clear
E) None of these done clear
View Solution play_arrowquestion_answer4) If a mode exceeds a mean by 15 then the mode exceeds the median by________
A) 15 done clear
B) 10 done clear
C) 5 done clear
D) 20 done clear
E) None of these done clear
View Solution play_arrowA) 10 done clear
B) 11 done clear
C) 12 done clear
D) 13 done clear
E) None of these done clear
View Solution play_arrowDirections: Consider the following distribution table: | |||
Class interval | 0-8 | 8-16 | 16-24 |
Frequency | 3 | 5 | 8 |
A) 20.29 done clear
B) 42.76 done clear
C) 40.82 done clear
D) 48.68 done clear
E) None of these done clear
View Solution play_arrowDirections: Consider the following distribution table: | |||
Class interval | 0-8 | 8-16 | 16-24 |
Frequency | 3 | 5 | 8 |
A) 37.88 done clear
B) 42.39 done clear
C) 48.76 done clear
D) 45.2 done clear
E) None of these done clear
View Solution play_arrowA) 3 : 1 done clear
B) 1 : 2 done clear
C) 2 : 1 done clear
D) 3 : 4 done clear
E) None of these done clear
View Solution play_arrowquestion_answer9) Find the mean of the data a, a + m, a + 2m, a + 3m, ____ up to (2n + 1) terms
A) \[a+nm+1\] done clear
B) \[a+nm\] done clear
C) \[a+2nm\] done clear
D) \[a+2mn-1\] done clear
E) None of these done clear
View Solution play_arrowFind the variance of the data |
3, 10, 17, _____199 |
A) 2125 done clear
B) 3430 done clear
C) 5120 done clear
D) 7290 done clear
E) None of these done clear
View Solution play_arrowA) \[2m\] done clear
B) \[2m-1\] done clear
C) \[m\] done clear
D) \[2m+3\] done clear
E) None of these done clear
View Solution play_arrowA) \[\frac{a}{2}(1+r)\,{{r}^{\frac{n+1}{2}}}\] done clear
B) \[\frac{a}{2}(1-r)\,{{r}^{\frac{n+1}{2}}}\] done clear
C) \[\frac{a}{2}(1+r)\,{{r}^{\frac{n-1}{2}}}\] done clear
D) \[\frac{a}{2}(1-r)\,{{r}^{\frac{n-1}{2}}}\] done clear
E) None of these done clear
View Solution play_arrowA) histogram done clear
B) ogive done clear
C) frequency curve done clear
D) frequency poiygon done clear
E) None of these done clear
View Solution play_arrowquestion_answer14) Which among the following statements is correct?
A) Mode is the middle most value of a data. done clear
B) Median and mode of a data can be determined graphically. done clear
C) The mode of a frequency distribution can be determined graphically from ogive. done clear
D) All the above done clear
E) None of these done clear
View Solution play_arrowExpenditure (in RS.) | Frequency |
1000\[-\]1500 | 14 |
1500\[-\]2000 | 30 |
2000\[-\]2500 | 23 |
2500\[-\]3000 | 18 |
3000\[-\]3500 | 20 |
3500\[-\]4000 | 12 |
A) Rs. 1847.83 done clear
B) Rs. 1648.26 done clear
C) Rs. 2025.38 done clear
D) Rs. 1918.35 done clear
E) None of these done clear
View Solution play_arrowA) 15 done clear
B) 25 done clear
C) 40 done clear
D) 35 done clear
E) None of these done clear
View Solution play_arrowA) p = 10 and s =12 done clear
B) q = 6 and r = 12 done clear
C) p = 8 and s =14 done clear
D) All the above done clear
E) None of these done clear
View Solution play_arrowquestion_answer18) The upper quartile of the data 8, 15, 17, 9, 7, 5 is _________
A) 9 done clear
B) 10 done clear
C) 12 done clear
D) 15 done clear
E) None of these done clear
View Solution play_arrowClass interval | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 | Total |
Frequency | 5 | F1 | 20 | F2 | 8 | 5 | 60 |
A) 9 and 13 done clear
B) 7 and 15 done clear
C) 8 and 14 done clear
D) 7 and 13 done clear
E) None of these done clear
View Solution play_arrowquestion_answer20) If the mean of the following distribution is 54, then find the value of f.
Class-interval | 0-20 | 20-40 | 40-60 | 60-80 | 80-100 |
frequency | 7 | 11 | 10 | f | 13 |
A) 6 done clear
B) 7 done clear
C) 8 done clear
D) 9 done clear
E) None of these done clear
View Solution play_arrowquestion_answer21) Compute the median for the following cumulative frequency distribution:
Mark obtained | Cumulative frequency |
More than or equal to 20 | 100 |
More than or equal to 30 | 96 |
More than or equal to 40 | 84 |
More than or equal to 50 | 70 |
More than or equal to 60 | 54 |
More than or equal to 70 | 34 |
More than or equal to 80 | 18 |
More than or equal to 90 | 8 |
More than or equal to 100 | 0 |
A) 60 done clear
B) 55 done clear
C) 58 done clear
D) 62 done clear
E) None of these done clear
View Solution play_arrowA) \[\frac{1}{3}\] done clear
B) \[\frac{1}{8}\] done clear
C) \[\frac{1}{2}\] done clear
D) \[\frac{1}{4}\] done clear
E) None of these done clear
View Solution play_arrowA) 20 done clear
B) 11 done clear
C) 22 done clear
D) 28 done clear
E) None of these done clear
View Solution play_arrowA) \[\frac{1}{9}\] done clear
B) \[\frac{4}{3}\] done clear
C) \[\frac{2}{3}\] done clear
D) \[\frac{7}{9}\] done clear
E) None of these done clear
View Solution play_arrowClass | 15.2\[-\]15.4 | 15.4\[-\]15.6 | 15.6\[-\]15.8 | 15.8\[-\]16.0 |
Frequency | 13 | 19 | 23 | 17 |
A) \[\frac{55}{72}\] done clear
B) \[\frac{23}{72}\] done clear
C) \[\frac{1}{4}\] done clear
D) \[\frac{17}{72}\] done clear
E) None of these done clear
View Solution play_arrowquestion_answer26) Which of the following cannot be the probability of an event?
A) 0.001 done clear
B) \[\frac{3}{4}\] done clear
C) 1% done clear
D) \[\frac{9}{8}\] done clear
E) None of these done clear
View Solution play_arrowA) \[\frac{3}{8}\] done clear
B) \[\frac{5}{18}\] done clear
C) \[\frac{1}{6}\] done clear
D) \[\frac{2}{9}\] done clear
E) None of these done clear
View Solution play_arrowDirections: In a game, the entry fee is Rs. 20. In the game, a coin is tossed 3 times. On showing two tails, swapnesh gets his entry fee back. If he throws 3 tails, he receives double the entry fees. Otherwise he will lose. If he tossed a coin three times, then ______ |
A) \[\frac{1}{2}\] done clear
B) \[\frac{1}{4}\] done clear
C) \[\frac{3}{8}\] done clear
D) \[\frac{1}{8}\] done clear
E) None of these done clear
View Solution play_arrowDirections: In a game, the entry fee is Rs. 20. In the game, a coin is tossed 3 times. On showing two tails, swapnesh gets his entry fee back. If he throws 3 tails, he receives double the entry fees. Otherwise he will lose. If he tossed a coin three times, then ______ |
A) \[\frac{3}{4}\] done clear
B) \[\frac{1}{8}\] done clear
C) \[\frac{1}{2}\] done clear
D) \[\frac{3}{8}\] done clear
E) None of these done clear
View Solution play_arrowDirections: In a game, the entry fee is Rs. 20. In the game, a coin is tossed 3 times. On showing two tails, swapnesh gets his entry fee back. If he throws 3 tails, he receives double the entry fees. Otherwise he will lose. If he tossed a coin three times, then ______ |
A) \[\frac{1}{8}\] done clear
B) \[\frac{1}{4}\] done clear
C) \[\frac{3}{8}\] done clear
D) \[\frac{1}{2}\] done clear
E) None of these done clear
View Solution play_arrowDirections: The king, queen and ace of clubs are removed from a deck of 52 playing cards and then |
well shuffled. Now on drawing a card at random from the remaining cards, then ______ |
A) \[\frac{1}{13}\] done clear
B) \[\frac{13}{49}\] done clear
C) \[\frac{1}{49}\] done clear
D) \[\frac{1}{2}\] done clear
E) None of these done clear
View Solution play_arrowDirections: The king, queen and ace of clubs are removed from a deck of 52 playing cards and then |
well shuffled. Now on drawing a card at random from the remaining cards, then ______ |
A) \[\frac{1}{7}\] done clear
B) \[\frac{3}{49}\] done clear
C) \[\frac{4}{49}\] done clear
D) \[\frac{8}{49}\] done clear
E) None of these done clear
View Solution play_arrowA) \[\frac{3}{13}\] done clear
B) \[\frac{1}{13}\] done clear
C) \[\frac{1}{26}\] done clear
D) \[\frac{3}{52}\] done clear
E) None of these done clear
View Solution play_arrowA) \[\frac{1}{5}\] done clear
B) \[\frac{2}{5}\] done clear
C) \[\frac{3}{5}\] done clear
D) \[\frac{4}{5}\] done clear
E) None of these done clear
View Solution play_arrowA) \[\frac{1}{5}\] done clear
B) \[\frac{3}{5}\] done clear
C) \[\frac{2}{5}\] done clear
D) \[\frac{4}{5}\] done clear
E) None of these done clear
View Solution play_arrowquestion_answer36) Two dice are thrown. Find the probability of getting a total of 10 or 12?
A) \[\frac{1}{9}\] done clear
B) \[\frac{2}{9}\] done clear
C) \[\frac{3}{4}\] done clear
D) \[\frac{1}{3}\] done clear
E) None of these done clear
View Solution play_arrowA) \[\frac{1}{2}\] done clear
B) \[\frac{1}{3}\] done clear
C) \[\frac{1}{4}\] done clear
D) \[\frac{1}{5}\] done clear
E) None of these done clear
View Solution play_arrowDirections: In a bag there are n balls out of which \[\frac{\mathbf{n}}{\mathbf{4}}\] balls are black, \[\frac{\mathbf{n}}{\mathbf{8}}\] balls are white and \[\frac{\mathbf{5n}}{\mathbf{8}}\] |
balls are red. A ball is drawn at random from the bag. |
A) \[\frac{7}{8}\] done clear
B) \[\frac{7n}{4}\] done clear
C) \[\frac{5n}{2}\] done clear
D) \[\frac{1}{8}\] done clear
E) None of these done clear
View Solution play_arrowDirections: In a bag there are n balls out of which \[\frac{\mathbf{n}}{\mathbf{4}}\] balls are black, \[\frac{\mathbf{n}}{\mathbf{8}}\] balls are white and \[\frac{\mathbf{5n}}{\mathbf{8}}\] |
balls are red. A ball is drawn at random from the bag. |
A) \[\frac{n}{2}\] done clear
B) \[\frac{1}{4}\] done clear
C) \[\frac{1}{8}\] done clear
D) \[\frac{3n}{4}\] done clear
E) None of these done clear
View Solution play_arrowDirections: In a bag there are n balls out of which \[\frac{\mathbf{n}}{\mathbf{4}}\] balls are black, \[\frac{\mathbf{n}}{\mathbf{8}}\] balls are white and \[\frac{\mathbf{5n}}{\mathbf{8}}\] |
balls are red. A ball is drawn at random from the bag. |
A) \[\frac{n}{2}\] done clear
B) \[\frac{n}{4}\] done clear
C) \[\frac{1}{2}\] done clear
D) \[\frac{1}{4}\] done clear
E) None of these done clear
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