Chec X The Che Che, × d Secure | https://www.mathxLcom/Student/PlayerTest.aspx?t
ID: 2924297 • Letter: C
Question
Chec X The Che Che, × d Secure | https://www.mathxLcom/Student/PlayerTest.aspx?testId=167698500 Time Remaining: 01:41:55 Submit Test This Question: 2 pts 14 of 30 (25 complete This Test: 100 pts possible The values in the table below are measured maximum breadths (in millimeters) of male skulls from dierent epochs. Changes in head shape over time suggest that interbreeding occurred with immigrant populations. Use a 0.05 significance level to test the claim that the different epochs al have the same mean. click the icon to view the table. Find the P-value The P-value is Round to three decimal places as needed.) Test the claim that the dierent epochs all have the same mean. A. There is sufficient evidence to reject the claim that the different epochs have the same mean Data Table B. There is not sumcent evidence to reject the calm that the different epochs have the same mean 4000 B.C 1850 B.C. 150AD 130 138 125 129 133 135 132 134 137 129 134 136 137 137 127 136 138 134 128 138 136 139 141 142 137 145 137 Print Done Click to select your answer(s). O Type here to search 3-52 PM 10/8/2017Explanation / Answer
applying one way ANOVA on above data:
thereore p value =0.030
as p value is less then 0.05 level
option A : there is sufficient evidence to reject.........
Groups Count Sum Average Variance 4000 BC 9 1193 132.556 16.778 1850 BC 9 1208 134.222 14.444 150 AD 9 1243 138.111 22.611 ANOVA Source of Variation SS df MS F P-value Between Groups 146.2963 2 73.14815 4.0764 0.030 Within Groups 430.6667 24 17.944 Total 576.963 26