A study investigates the weight of adults. The researchers of the study use SPSS to analyze the collected data. One-Sample Test Test Value = 175 95% Condence Interval of the Mean Difference df Sig. (24ailed1 Difference Lower Upper -.51? 9 .618 8.00!) Which of the following are correct based on the output. Select all true options. C] A 95% confidence interval estimates that the mean weight of adults is in the interval [126.63, 205.37]. [3 The researchers did not use a matched pairs t-procedure when analyzing the data. C] There were a total of 9 subjects in this study. C] Researchers perform a significance test to assess if there is evidence that the mean weight of adults is not 175. The p-value for this test is 0.309