MOST EXPECTED Statistics and Econometrics Questions Solved - Score Settled

Complete Preparation Guide for UGC NET Economics Exam: https://economicsharbour.com/ugc-net-economics/
Question 1: The indirect least square is applied to estimate the coefficient of the:
Question 2: The management of a manufacturing firm wishes to determine the average time required to complete a certain manual operation. There should be 0.95 confidence that error in the estimate will not exceed 2 minutes. What sample size is estimated by a time and motion study expert as 16 minutes?
Question 3: If x is a poisson variate with mean lamda, then P(x+1) is:
Question 4: A candidate is selected for interview for three posts. For the first post, there are 3 candidates, for the second 4 candidates and for the third 2 candidates. What is the probability that the candidate is selected for at least one post?
Question 5: The data about the sales and advertisement expenditure of a firm is given below:
Mean (sales) = ₹40 crores, Mean (Advertisement expenditure) = ₹6
Standard deviation (sales) = ₹10 crores, Standard deviation (advertisement expenditure) = ₹1.5 crores
Coefficient of correlation (r) = 0.9
Estimate the likely sales for the proposed advertisement of Rs. 10 crores of rupees.

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