For illustration, a researcher tests the hypothesis differences in abuse scores between the two groups based on a survey of 1000 young adults in Philadelphia. Null hypothesis: The mean abuse scores between the two groups are based Research Hypothesis: The mean in abuse scores equal between the two groups based The null hypothesis (H0) and the research hypothesis (H1) can be stated as follows: Null Hypothesis (H0): The mean frequency of childhood abuse experiences in individuals who have threatened others with a gun (G) equals the mean frequency of childhood abuse experiences in individuals who have not threatened others with a gun (NG). State the null and research hypotheses in statistical terms, and include the correct notation State the null and