A researcher collected the following data about different points of households. Determine whether the data thus obtained come under nominal, ordinal, interval or ratio scale. The caste of the family residing in a household
i) Number of members in a household
ii) Age of the oldest person of a household
iii) Highest education of the family members of a household
iv) Monthly income of a household
v) Number of mobile phones in a household
vi) Length of the longest long-distance call made in a month
vii) Whether there is a landline telephone in a household
viii) Whether there is a high-speed internet connection in the household.
ix) Monthly mobile bill of a household
x) Monthly Expenditure on the Medicines.
QUESTIONS
A researcher collected the following data about different points of households. Determine whether the data thus obtained come under nominal, ordinal, interval or ratio scale. The caste of the family residing in a household
i) Number of members in a household
ii) Age of the
________ __________ ________ _________ _______ __________ ______ _______ ____ ________.
___ _________ __________ ______ __________ _______ ____ _______ ___ ______.
________ _________ _______ _________ ________ ___ _____ _______.
_____ ____ _____ _________ ______ ___ __________ _________.
________ ___ __________ ______ ______ __________ _____ ___ _______ _______ ______ _________.
______ __________ __________ ______ __________ ________ ______ _________ ______.
______ ____ ____ ________ ________ ____ _______ ________.
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The daily cost of operating a hospital C is a linear function of the number of in-patients I, out-patients P and a fixed cost a, i.e.,
C = a + bP + dI
Given the following data from 3 days, find the value of a, b and d by setting up a linear system of equations and using the matrix method.
|
Day |
Cost in Rs. |
No. of In-patients (I) |
No. of Out-patients ( P) |
|
1
2
3 |
6,950
6,725
7,100 |
40
35
40 |
10
9
12 |
Prove that