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प्रश्न
Distinguish between univariate and bivariate frequency distribution.
उत्तर
|
Univariate Frequency Distribution |
Bivariate Frequency Distribution |
|
The word ‘Uni’ means one. A series of statistical data showing the frequency of only one variable is called Univariate Frequency Distribution. In other words, the frequency distribution of the single variable is called Univariate Frequency Distribution. For example - income of people marks scored by students, etc. |
The word ‘Bi’ means two. A series of statistical data showing the frequency of two variables simultaneously is called Bivariate Frequency Distribution. In other words, the frequency distribution of two variables is called Bivariate Frequency Distribution. For example - sales and advertisement expenditure, weight and height of individuals, etc. |
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संबंधित प्रश्न
Do you agree that classified data is better than raw data? Why?
"The quick brown fox jumps over the lazy dog"
Examine the above sentence carefully and note the numbers of letters in each word. Treating the number of letters as a variable, prepare a frequency array for this data.
What is ‘loss of information’ in classified data?
Prepare a frequency distribution by inclusive method taking class interval of 7 from the following data:
|
28 |
17 |
15 |
22 |
29 |
21 |
23 |
27 |
18 |
12 |
7 |
2 |
9 |
4 |
|
1 |
8 |
3 |
10 |
5 |
20 |
16 |
12 |
8 |
4 |
33 |
27 |
21 |
15 |
|
3 |
36 |
27 |
18 |
9 |
2 |
4 |
6 |
32 |
31 |
29 |
18 |
14 |
13 |
|
15 |
11 |
9 |
7 |
1 |
5 |
37 |
32 |
28 |
26 |
24 |
20 |
19 |
25 |
|
19 |
20 |
6 |
9 |
Use the data in the Table below that relate to monthly household expenditure (in Rs) on the food of 50 households and
| 1904 | 1559 | 3473 | 1735 | 2760 |
| 2041 | 1612 | 1753 | 1855 | 4439 |
| 5090 | 1085 | 1823 | 2346 | 1523 |
| 1211 | 1360 | 1110 | 2152 | 1183 |
| 1218 | 1315 | 1105 | 2628 | 2712 |
| 4248 | 1812 | 1264 | 1183 | 1171 |
| 1007 | 1180 | 1953 | 1137 | 2048 |
| 2025 | 1583 | 1324 | 2621 | 3676 |
| 1397 | 1832 | 1962 | 2177 | 2575 |
| 1293 | 1365 | 1146 | 3222 | 1396 |
Monthly Household Expenditure (in Rupees) on Food of 50 Households
Divide the range into an appropriate number of class intervals and obtain the frequency distribution of expenditure.
