D#/Skip/4 M Gmail YouTube Maps News HE Wellness and Menta... How to Succeed in... Mind Tap - Cengage... IQ Scores Younger Sibling Older Sibling 99 103 77 84 100 115 99 103 86 103 96 104 91 100 104 98 97 102 90 88 Assume both populations are normally distributed. What can be concluded at the a = 0.01 level of significance? (Let d = (Younger) - (Older).) For this study, what sampling distribution should be used? Select an answer a. The null and alternative hypotheses would be: Ho: Select an answer Select an answer H: Select an answer Select an answer b. The test statistic ? c. The p-value = (please enter a decimal) (Please enter a decimal) (please show your answer to 3 decimal places.) (Please show your answer to 4 decimal places.) d. The p-value is ? a e. Based on this, we should Select an answer the null hypothesis. f. Thus, the final conclusion is that ... O The results are statistically significant at a = 0.01, so there is sufficient evidence to conclude that the population mean IQ score for younger siblings is not the same as the population mean IQ score for older siblings