Researchers measured skulls from different time periods in an attempt to determine whether interbreeding of cultures occurred. Results are given below. Assume that both samples are independent simple random samples from populations having normal distributions. Use a 0.05 significance level to test the claim that the variation of maximal skull breadths in 4000 B.C. is the same as the variation in A.D. 150. 131.97 mm 5.13 mm 136.31 mm 5.39 mm 4000 B.C. 30 A.D. 150 30 What are the null and altenative hypotheses? O B. Ho: o? = 03 O A. Ho: 0 =0} H: 07203 OC. Ho o *03 O D. Ho: g =03 Identify the test statistic. F = (Round to two decimal places as needed.) Use technology to identify the P-value. The P-value is (Round to three decimal places as needed.) What is the conclusion for this hypothesis test? O A. Fail to reject Ho. There is insufficient evidence to warrant B. Reject Ho. There is insufficient evidence to warrant rejection of the claim that the variation of maximal skull breadths in 4000 B.C. is the same as the variation in A.D. 150. rejection of the claim that the variation of maximal skull breadths in 4000 B.C. is the same as the variation in A.D. 150. O C. Reject Ho- There is sufficient evidence to warrant O D. Fail to reject Ho. There is sufficient evidence to warrant rejection of the claim that the variation of maximal skull breadths in 4000 B.C. is the same as the variation in A.D. rejection of the claim that the variation of maximal skull breadths in 4000 B.C. is the same as the variation in A.D. 150. 150. Click to select your answer(s). 40,714 APR 19

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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Author:Carter
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Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
Topic Video
Question
6
Researchers measured skulls from different time periods in an attempt to determine whether interbreeding of cultures occurred.
Results are given below. Assume that both samples are independent simple random samples from populations having normal
distributions, Use a 0.05 significance level to test the claim that the variation of maximal skull breadths in 4000 B.C. is the same as
the variation in A.D. 150.
131.97 mm
136.31 mm
5.13 mm
5.39 mm
30
4000 B.C.
A.D. 150
30
What are the null and altemative hypotheses?
O B. Ho: o =03
O A. Ho: 0 =0}
H: 0?203
OC. Ho o *03
O D. Ho: g =03
Identify the test statistic.
=(Round to two decimal places as needed.)
Use technology to identify the P-value.
The P-value is (Round to three decimal places as needed.)
What is the conclusion for this hypothesis test?
O A. Fail to reject Ho. There is insufficient evidence to warrant O B. Reject Ho. There is insufficient evidence to warrant
rejection of the claim that the variation of maximal skull
breadths in 4000 B.C. is the same as the variation in A.D.
150.
rejection of the claim that the variation of maximal skull
breadths in 4000 B.C. is the same as the variation in A.D.
150.
O C. Reject Ho. There is sufficient evidence to warrant
O D. Fail to reject Ho. There is sufficient evidence to warrant
rejection of the claim that the variation of maximal skull
breadths in 4000 B.C. is the same as the variation in A.D.
rejection of the claim that the variation of maximal skull
breadths in 4000 B.C. is the same as the variation in A.D.
150.
150
Click to select your answer(s).
40,714
19
esc
a Search secu
Transcribed Image Text:Researchers measured skulls from different time periods in an attempt to determine whether interbreeding of cultures occurred. Results are given below. Assume that both samples are independent simple random samples from populations having normal distributions, Use a 0.05 significance level to test the claim that the variation of maximal skull breadths in 4000 B.C. is the same as the variation in A.D. 150. 131.97 mm 136.31 mm 5.13 mm 5.39 mm 30 4000 B.C. A.D. 150 30 What are the null and altemative hypotheses? O B. Ho: o =03 O A. Ho: 0 =0} H: 0?203 OC. Ho o *03 O D. Ho: g =03 Identify the test statistic. =(Round to two decimal places as needed.) Use technology to identify the P-value. The P-value is (Round to three decimal places as needed.) What is the conclusion for this hypothesis test? O A. Fail to reject Ho. There is insufficient evidence to warrant O B. Reject Ho. There is insufficient evidence to warrant rejection of the claim that the variation of maximal skull breadths in 4000 B.C. is the same as the variation in A.D. 150. rejection of the claim that the variation of maximal skull breadths in 4000 B.C. is the same as the variation in A.D. 150. O C. Reject Ho. There is sufficient evidence to warrant O D. Fail to reject Ho. There is sufficient evidence to warrant rejection of the claim that the variation of maximal skull breadths in 4000 B.C. is the same as the variation in A.D. rejection of the claim that the variation of maximal skull breadths in 4000 B.C. is the same as the variation in A.D. 150. 150 Click to select your answer(s). 40,714 19 esc a Search secu
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