Statistical Methods-Regression (ISS (Statistical Services) Statistics Paper I (Old Subjective Pattern)): Questions 1 - 4 of 4

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 165 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

Question number: 1

» Statistical Methods » Regression » Linear

Appeared in Year: 2011

Essay Question▾

Describe in Detail

Show that the best predictor of Y, in terms of minimum MSE, is linear in X, if (X, Y) has bivariate normal distribution.

Explanation

… (149 more words) …

Question number: 2

» Statistical Methods » Regression » Polynomial

Appeared in Year: 2013

Essay Question▾

Describe in Detail

Given the two regression lines between X and Y, 2Y -X - 50 = 0, 3Y-2X - 10 = 0, compute the means of X and Y and the correlation coefficient between X and Y.

Explanation

… (73 more words) …

Question number: 3

» Statistical Methods » Regression » Linear

Appeared in Year: 2011

Essay Question▾

Describe in Detail

From a bivariate data set of 4995 observations, the following quantities have been calculated:

Obtain the estimated linear regression of X on Y.

Explanation

… (57 more words) …

Question number: 4

» Statistical Methods » Regression » Linear

Appeared in Year: 2015

Essay Question▾

Describe in Detail

For 20 pairs of heights of father (X) and son (Y) measured in cm, the following data are obtained:

Test whether the cut on the X-axis can be assumed to be zero, at 5 % level of significance.

Explanation

… (64 more words) …

f Page
Sign In