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Question 248 MCQ · 1.0 marks
Statement with respect to qualitative research.
Depth interviews are the best technique for exploratory research.
TRUE
FALSE
**LSM**
**Section Id :** 64065330384
**Section Number :** 13
**Section type :** Online
**Mandatory or Optional :** Mandatory
**Number of Questions :** 2
**Number of Questions to be attempted :** 2
**Section Marks :** 30
**Display Number Panel :** Yes
**Group All Questions :** No
**Enable Mark as Answered Mark for Review and**
Yes
**Clear Response :**
**Maximum Instruction Time :** 0
A published solution is not available for this question yet.
Question 250 MCQ · 30.0 marks
1. Let x be a vector of integers.
(i) Write an R code- that can be used to find dimension of the vector x. [2 Marks]
(ii) Write an R code- that can be used to find the sum of squares of the elements of x. [2 Marks]
(iii) Write an R code- that can be used to extract all the positive integer elements of x. [3 Marks]
2. Suppose Y=X B + €be a linear model, where
Y = (y1,92,93,-++19m)",
B= (Br, Ba, Bas--- Bm)",
X= ((zij)) ;1<isnl<jsm
and
= (€1,€9,€3,...,€n)"
where, € has mean 0 and variance covariance matrix raed
Let p78 = pifi + pode t...+ PmBm V PE R™.
(a) Define what is meant by the term > TB is estimable. [3 Marks]
(b) Suppose there is a ’€ R” such that:
E(VITY] =p78, V BeR™
then show that there is al’€ R" such that:
a ie {5 Marks]
i™XB8 = p78, V BER”
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I have written answers on the answer sheets
Not applicable
A published solution is not available for this question yet.