Table 4 Estimated MLEs values along with standard errors in parenthesis for DATS 1.

From: A novel flexible exponent power-X family of distributions with applications to COVID-19 mortality rate in Mexico and Canada

Distributions

\(\hat{\phi }_{MLE}\)

\(\hat{\alpha }_{MLE}\)

\(\hat{\delta }_{MLE}\)

\(\hat{a}_{MLE}\)

\(\hat{b}_{MLE}\)

NGEP-Wei

0.88579 (2.04917)

0.04581 (0.00902)

2.57243 (0.36007)

–

–

APTra-Wei

–

2.03279

(0.08744)

0.02448

(0.30557)

3.04691 (126.70663)

–

NRLog-Wei

−0.83524 (0.11319)

0.00259 (0.00068)

4.10087(0.20517)

–

–

Kumar-Wei

–

0.35386 (0.00258)

2.39619 (0.00258)

0.70119 (0.31077)

0.13320 (0.02349)

Wei

–

0.01387 (0.00749)

3.31324 (0.35909)

–

–

MO-NH

22.78807 (1.14637)

11.12585 (4.64358)

0.01742

(0.58032)

–

–

GAP-Wei

0.00265 (0.00336)

0.29942 (0.09719)

1.74019 (0.22120)

–

–

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