Advertisements
Advertisements
प्रश्न
The relationship between mean, median and mode for a moderately skewed distribution is.
विकल्प
Mode = 2 Median - 3 Mean
Mode = Median - 2 Mean
Mode = 2 Median - Mean
Mode = 3 Median - 2 Mean
उत्तर
Mode = 3Median - 2Mean
APPEARS IN
संबंधित प्रश्न
A student noted the number of cars passing through a spot on a road for 100 periods each of 3 minutes and summarised it in the table given below. Find the mode of the data.
Number of cars | 0 − 10 | 10 − 20 | 20 − 30 | 30 − 40 | 40 − 50 | 50 − 60 | 60 − 70 | 70 − 80 |
Frequency | 7 | 14 | 13 | 12 | 20 | 11 | 15 | 8 |
The following is the distribution of height of students of a certain class in a certain city:
Height (in cm): | 160 - 162 | 163 - 165 | 166 - 168 | 169 - 171 | 172 - 174 |
No. of students: | 15 | 118 | 142 | 127 | 18 |
Find the average height of maximum number of students.
If the mode of the data: 16, 15, 17, 16, 15, x, 19, 17, 14 is 15, then x =
For the data 11, 15, 17, x + 1, 19, x – 2, 3 if the mean is 14, find the value of x. Also find the mode of the data
For the following distribution
Marks | No. of students |
Less than 20 | 4 |
Less than 40 | 12 |
Less than 60 | 25 |
Less than 80 | 56 |
Less than 100 | 74 |
Less than 120 | 80 |
the modal class is?
In the formula `x-a+(sumf_i d_i)/(sumf_i),` for finding the mean of grouped data d1's are deviations from the ______.
For the following distribution
Monthly Expenditure (Rs.) | No. of families |
Expenditure less than Rs. 10,000 | 15 |
Expenditure les than Rs. 13,000 | 31 |
Expenditure les than Rs. 16,000 | 50 |
Expenditure les than Rs. 19,000 | 67 |
Expenditure les than Rs. 22,000 | 85 |
Expenditure les than Rs. 25,000 | 100 |
The number of families having expenditure range (in ?) 16,000 - 19,000 is?
The mode of the following data is:
xi | 10 | 14 | 18 | 21 | 25 |
fi | 10 | 15 | 7 | 9 | 9 |
There are lottery tickets labelled numbers from 1 to 500. I want to find the number which is most common in the lottery tickets. What quantity do I need to use?
The frequency distribution of daily working expenditure of families in a locality is as follows:
Expenditure in ₹ (x): |
0 – 50 | 50 – 100 | 100 – 150 | 150 – 200 | 200 – 250 |
No. of families (f): |
24 | 33 | 37 | b | 25 |
If the mode of the distribution is ₹ 140 then the value of b is ______.