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Table 5 Paired t-test result for updating Kenya’s 2019 GFSI outdated data

From: The effects of outdated data and outliers on Kenya’s 2019 Global Food Security Index score and rank

GFSI dimensions

GFSI mean score before updating Kenya’s database

GFSI mean score after updating Kenya’s database

GFSI mean score difference

P-value

Significance level

t-values

Number of observations

Affordability

67.504

67.507

0.003

0.468

Not

significant

0.729

113

Availability

59.384

59.386

0.002

0.530

Not

significant

0.631

113

Quality and safety

60.960

60.981

0.021

0.344

Not

significant

0.951

113

Overall GFSI

62.888

62.897

0.010

< 0.01

**

2.002

113