<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 study is also rejected  <response>: Null hypothesis rejected and the study is accepted. Reference:Park;s textbook of preventive and social medicine,K.Park,23rd edition,page no:852. p 