Ette Etuk

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Questions related from Ette Etuk

Contradictory results from minitab?

I used minitab to compare two means from samples of size 400 each. Firstly minitab gave a degree of Freedom of 358 rather than n1+n2-2=798. Moreover its computed mean difference fell into the 95%...

06 June 2018 8,254 4 View

To determine the threshold value for intervention?

I am modelling a case of intervention. How do I obtain the threshold value or the point of intervention when the point is not too obvious?

04 April 2018 2,537 0 View

How do I obtain expected frequencies under the hypothesis of negative binomial fit?

I am trying to model the number a goals scored by the teams of a soccer tournament at group stage. The tournament involves eight groups of four teams each. This means that each group involves 6...

07 July 2017 6,641 4 View

Is it correct to test the significance of a cham\nge in the mean of a time series based on t-test which is based on assumption of data independence?

I am asking this question because time series data, rather than being independent, are correlated.

01 January 1970 1,635 6 View