Assuming a two-tailed statistical test, what would the null and alternative hypotheses be for this question?O A. The null hypothesis is that there is no difference between the average score of the children with ASand the population average score. The alternative hypothesis is that the average score of thechildren with AS will be higher than that of the population average.O B. The null hypothesis is that there is no difference between the average score of the children with ASand the population average score. The alternative hypothesis is that the average score of thechildren with AS will be lower than that of the population average.O C. The nullI hypothesis is that there is no difference between the average score of the children with ASand the population average score. The alternative hypothesis is that the average score of thechildren with AS and the population average score are different.O D. The alternative hypothesis is that there is no difference between the average score of the childrenwith AS and the population average score. The null hypothesis is that the average score of thechildren with AS and the population average score are different. The researchers recruited a sample of 92 parents who had a school-aged child with Aspergersyndrome (AS). The parents completed a series of questionnaires about their child's behavior andsocial skills. For many of these questionnaires, normative data were available regarding thepopulation mean and standard deviation. As a first step, the researchers wanted to determinewhether the children with AS truly had poorer social skills and more behavior problems, on average,than typically developing children. The researchers wrote, “Single sample z tests were performed todetermine whether the mean scores of the children with AS in the current sample differedsignificantly from the mean scores in the normative samples" (p. 364).

Question

Assuming a two-tailed statistical test, what would the null and alternative hypotheses be for this question?O A. The null hypothesis is that there is no difference between the average score of the children with ASand the population average score. The alternative hypothesis is that the average score of thechildren with AS will be higher than that of the population average.O B. The null hypothesis is that there is no difference between the average score of the children with ASand the population average score. The alternative hypothesis is that the average score of thechildren with AS will be lower than that of the population average.O C. The nullI hypothesis is that there is no difference between the average score of the children with ASand the population average score. The alternative hypothesis is that the average score of thechildren with AS and the population average score are different.O D. The alternative hypothesis is that there is no difference between the average score of the childrenwith AS and the population average score. The null hypothesis is that the average score of thechildren with AS and the population average score are different. The researchers recruited a sample of 92 parents who had a school-aged child with Aspergersyndrome (AS). The parents completed a series of questionnaires about their child's behavior andsocial skills. For many of these questionnaires, normative data were available regarding thepopulation mean and standard deviation. As a first step, the researchers wanted to determinewhether the children with AS truly had poorer social skills and more behavior problems, on average,than typically developing children. The researchers wrote, “Single sample z tests were performed todetermine whether the mean scores of the children with AS in the current sample differedsignificantly from the mean scores in the normative samples&#34; (p. 364).

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