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प्रश्न
Harmonic mean is the reciprocal of _________
पर्याय
Median of the values.
Geometric mean of the values.
Arithmetic mean of the reciprocal of the values.
Quartiles of the values.
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उत्तर
Harmonic mean is the reciprocal of Arithmetic mean of the reciprocal of the values.
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संबंधित प्रश्न
Calculate GM for the following table gives the weight of 31 persons in the sample survey.
| Weight (lbs): | 130 | 135 | 140 | 145 | 146 | 148 | 149 | 150 | 157 |
| Frequency | 3 | 4 | 6 | 6 | 3 | 5 | 2 | 1 | 1 |
The monthly incomes of 8 families in rupees in a certain locality are given below. Calculate the mean, the geometric mean and the harmonic mean and confirm that the relations among them holds true. Verify their relationships among averages.
| 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?
Which of the following is positional measure?
When an observation in the data is zero, then its geometric mean is __________.
The geometric mean of two numbers 8 and 18 shall be
The correct relationship among A.M., G.M. and H.M. is
The median of 10, 14, 11, 9, 8, 12, 6 is
The first quartile is also known as _________.
Which type of average is defined as the value repeated the maximum number of times in a dataset?
