<prompt> In a test of significance, p value is 0.023 the observed difference in study can be considered as -Null hypothesis accepted and the study is rejectedNull hypothesis rejected and the study acceptedNull hypothesis accepted and the study is acceptedNull hypothesis rejected and the sutdy is also rejected  <response>: Ans is b i.e. Null hypothesis rejected and the study accepted By convention, a Null hypothesis is rejected when P S 0.05, i.e. the difference between two samples is true statistically significant and not by chance p 50.05 is considered as statistically significant. In the question p 0.023 less than 0.05 --- Null hypothesis is rejected and the difference seen in study is true study is accepted. Also know P value 0.05 is considered as statistically significant P value 5 0.001 is considered as statistically highly significant. 