A Note on Second Order Slope Rotatable Designs under Intra-class Correlated Errors Using Pairwise Balanced Designs
K. Rajyalakshmi
Dept. of Mathematics, Koneru Lakshmaiah Education Foundation, Vaddeswaram, Guntur-522 502, India.
B. Sulochana
Department of Statistics, Acharya Nagarjuna University, Guntur-522 510, India.
B. Re. Victorbabu *
Department of Statistics, Acharya Nagarjuna University, Guntur-522 510, India.
*Author to whom correspondence should be addressed.
Abstract
In this paper, a study on second order slope rotatable designs under intra-class correlation structure of errors using pairwise balanced designs is suggested. Further, the variance function of the estimated slopes for different values of intra-class correlated coefficient ‘ ’ for 6 ≤ v ≤ 15 (v- number of factors) are studied.
Keywords: Response surface designs, slope rotatability, intra-class correlated errors.