(2) there is a prima facie case that the child committed a delinquent act which, if committed by an adult, would be classified as rape, involuntary deviate sexual intercourse, aggravated assault as defined in
18 Pa.C.S. § 2702(a)(1) or (2) (relating to aggravated assault), robbery as defined in
18 Pa.C.S. § 3701(a)(1)(i), (ii) or (iii) (relating to robbery), robbery of motor vehicle, aggravated indecent assault, kidnapping, voluntary manslaughter, an attempt, conspiracy or solicitation to commit any of these crimes or an attempt to commit murder as specified in paragraph (2)(ii) of the definition of
"delinquent act" in
section 6302.
If either of the preceding criteria are met, the burden of establishing by a preponderance of the evidence that retaining the case under this chapter serves the public interest and that the child is amenable to treatment, supervision or rehabilitation as a juvenile shall rest with the child.