Mehl (2007') published a study in the journal Sciencereporting the I men and women comparing the number of words uttered per day b; participants wore inconspicuous recording devices that recorded thu average, women [N : 198) uttered 16,201 words per day [SD : 17'} 15,993 words per day (SD = 2224.51). Treating the men's data as 11. parameters, compute the following: (a) Calculate the point estimate for women's words uttered per (b) Calculate the 95% confidence interval around the point esti: (c) Make a decision regarding the null hypothesis on the basis 1 (d) To see the effect of sample size on a test statistic, recalculat interval assuming you studied 598 women. Reassess the status of y new sample size. 2} How is the calculation of confidence intervals superior to null h} 'I