Advertisements
Advertisements
Question
Harmonic mean is better than other means if the data are for
Options
Speed or rates.
Heights or lengths.
Binary values like 0 and 1.
Ratios or proportions.
Advertisements
Solution
Speed or rates.
APPEARS IN
RELATED QUESTIONS
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?
Median is the same as:
The mean of the values 11, 12, 13, 14 and 15 is
The first quartile is also known as _________.
The measure of central tendency that does not get affected by extreme values:
What are the advantages of using mode?
Which type of average is defined as the value repeated the maximum number of times in a dataset?
