Table 1 Special sub-classes of the KAP-G class.

\(\alpha\)

a

1

Exponentianted alpha power- G (EAP-G)

Kariuket al.³³

\(\alpha\)

1

1

Alpha power-G (AP-G)

Mahdavi and Kundu³⁴

1

a

b

Kumaraswamy-G (K-G)

Cordeiro and de Castro⁴

1

a

1

Exponentianted-G (E-G)

Gupta et al.³⁵

1

1

1

Baseline model

–