Problem 5 20 Points An Article In The Journal Neurology 1998 Vol 50 Pp 1246 1252 Observed That Monozygotic Twin 1 (12.45 KiB) Viewed 184 times
Problem 5. (20 points) An article in the journal Neurology (1998, Vol. 50, pp. 1246 1252) observed that monozygotic twins the numerous plıysical, psychological, and pathological traits. The investigators measured an intelligence score of 10 pairs of twins. The data obtained fire as follows. Assuming that the population variances are the same, answer the following questions:
15 Pair Birth Order: 1 Birth Order: 2 1 6.08 5.73 2 6.22 5.80 3 7.99 8.42 4 7.44 6.84 5 6.48 6.43 7.99 8.76 7 6.32 6.32 8 7.60 7.62 9 6.03 6.59 10 7.52 7.67 (a) Find a 95 percent confidence interval on the difference in mean scoro Is there any evidence that mean score depends on birth order? (b) Test an appropriate set of hypotheses indicating that the mean score does not depend on birth order
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