Court in Nelson v. State, 628 A.2d 69 (Del.1993), held that expert testimony providing statistics on a DNA match was a prerequisite to admitting the test results at all. Id. at 76. The court determined that statistical calculations are “essential for the evidence to have relevance or meaning to the trier of fact.” Id. “To say that two patterns match, without providing any scientifically valid estimate ... of the frequency with which such matches might occur by chance, is meaningless.” Id. In State v. Brown, 470 N.W.2d 30 (Iowa 1991), the Iowa Supreme Court recognized the importance of providing the jury with expert testimony regarding statistical conclusions in order for it to fully comprehend W.2d 192 (1992), modified in part on other grounds 441 Mich. 916, 497 N.W.2d 182 (1993) (<HOLDING>). Finally, the court in Hornsby v. State, 210
holding that questions regarding size of fbis population databases was matter of weight once principle that frequency calculations could be made from an adequate database was determined to be generally accepted holding statistical conclusions admissible and questions regarding the size of a tests database goes to the weight not admissibility of the evidence holding that in face of expert testimony that database was valid questions concerning size of database and statistical conclusions drawn from it went to weight not admissibility of evidence holding as to the admissibility of prior bad acts that allegedly took place fourteen and twelve years before the acts alleged in that case that the lapse of time between the defendants sexual acts    goes to the weight of the evidence not to its admissibility holding that once an expert has passed rule 702s threshold of admissibility lingering questions or controversy concerning the quality of the experts conclusions go to the weight of the testimony rather than its admissibility