Advertisements
Advertisements
प्रश्न
What are the advantages of using mode?
उत्तर
Mode is the maximum occurrence or frequency at a particular point or value. The biggest advantage of mode is that it is not affected by extreme values. It can be determined even for open-ended series.
APPEARS IN
संबंधित प्रश्न
Find the first quartile and third quartile for the given observations.
2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22
Find Q1, Q3, D8 and P67 of the following data:
Size of Shares | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 |
Frequency | 10 | 18 | 22 | 25 | 40 | 15 | 10 | 8 | 7 |
Find lower quartile, upper quartile, 7th decile, 5th decile and 60th percentile for the following frequency distribution.
Wages | 10 - 20 | 20 - 30 | 30 - 40 | 40 - 50 | 50 - 60 | 60 - 70 | 70 - 80 |
Frequency | 1 | 3 | 11 | 21 | 43 | 32 | 9 |
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 price of a commodity increased by 5% from 2004 to 2005, 8% from 2005 to 2006 and 77% from 2006 to 2007. Calculate the average increase from 2004 to 2007?
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?
Calculate AM, GM and HM and also verify their relations among them for the following data.
X | 5 | 15 | 10 | 30 | 25 | 20 | 35 | 40 |
f | 18 | 16 | 20 | 21 | 22 | 13 | 12 | 16 |
Calculate AM, GM and HM from the following data and also find its relationship:
Marks: | 0 - 10 | 10 - 20 | 20 - 30 | 30 - 40 | 40 - 50 | 50 - 60 |
No. of students: | 5 | 10 | 25 | 30 | 20 | 10 |
Which of the following is positional measure?
When calculating the average growth of the economy, the correct mean to use is?
When an observation in the data is zero, then its geometric mean is __________.
The best measure of central tendency is _________.
The geometric mean of two numbers 8 and 18 shall be
Harmonic mean is the reciprocal of _________
Median is the same as:
The median of 10, 14, 11, 9, 8, 12, 6 is
The mean of the values 11, 12, 13, 14 and 15 is
If the mean of 1, 2, 3, …, n is `(6"n")/11`, then the value of n is
Harmonic mean is better than other means if the data are for
An investor buys ₹ 1,500 worth of shares in a company each month. During the first four months, he bought the shares at a price of ₹ 10, ₹ 15, ₹ 20 and ₹ 30 per share. What is the average price paid for the shares bought during these four months? Verify your result.
The measure of central tendency that does not get affected by extreme values:
Define the mean.