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प्रश्न
The first quartile is also known as _________.
विकल्प
median
lower quartile
mode
third decile
उत्तर
The first quartile is also known as lower quartile.
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संबंधित प्रश्न
Find the first quartile and third quartile for the given observations.
2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22
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| Weight (lbs): | 130 | 135 | 140 | 145 | 146 | 148 | 149 | 150 | 157 |
| Frequency | 3 | 4 | 6 | 6 | 3 | 5 | 2 | 1 | 1 |
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| Family: | A | B | C | D | E | F | G | H |
| Income (Rs.): | 70 | 10 | 50 | 75 | 8 | 25 | 8 | 42 |
A man travelled by car for 3 days. He covered 480 km each day. On the first day, he drove for 10 hours at 48 km an hour. On the second day, he drove for 12 hours at 40 km an hour and for the last day he drove for 15 hours at 32 km. What is his average speed?
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| Yield of Rice (tones) | No. of farms |
| 7.5 - 10.5 | 5 |
| 10.5 - 13.5 | 9 |
| 13.5 - 16.5 | 19 |
| 16.5 - 19.5 | 23 |
| 19.5 - 22.5 | 7 |
| 22.5 - 25.5 | 4 |
| 25.5 - 28.5 | 1 |
Define the mean.
