< 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. 4000 B.C. A.D. 150 n 30 30 x 131.39 mm 136.66 mm S 5.11 mm 5.32 mm 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. Reject Ho. There is insufficient evidence to warrant rejection of the claim that the variation of B. Reject Ho. There is sufficient evidence to warra rejection of the claim that the variation of maxin

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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.
4000 B.C.
A.D. 150
F=
n
30
30
x
131.39 mm
136.66 mm
S
5.11 mm
5.32 mm
Identify the test statistic.
==(Round to two decimal places as needed.)
Use technology to identify the P-value.
The P-value is
What is the conclusion for this hypothesis est?
OA. Reject Ho. There is insufficient evidence to
(Round to three decimal places as needed.)
warrant rejection of the claim that the variation of
B. Reject Ho. There is sufficient evidence to warrant
rejection of the claim that the variation of maximal
Transcribed Image Text:K 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. 4000 B.C. A.D. 150 F= n 30 30 x 131.39 mm 136.66 mm S 5.11 mm 5.32 mm Identify the test statistic. ==(Round to two decimal places as needed.) Use technology to identify the P-value. The P-value is What is the conclusion for this hypothesis est? OA. Reject Ho. There is insufficient evidence to (Round to three decimal places as needed.) warrant rejection of the claim that the variation of B. Reject Ho. There is sufficient evidence to warrant rejection of the claim that the variation of maximal
K
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.
4000 B.C.
A.D. 150
n
30
30
OC. Ho: o2 = 02/
H₂: 0} <0²
131.39 mm
136.66 mm
What are the null and alternative hypotheses?
O A. Ho: o2 = 02
H₁:0² +0²
Identify the test statistic.
S
5.11 mm
5.32 mm
OB. Ho: 01 02
H₁:0² = 0²
D. Ho: 02 = 0²/2
H₂:02 203
Transcribed Image Text:K 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. 4000 B.C. A.D. 150 n 30 30 OC. Ho: o2 = 02/ H₂: 0} <0² 131.39 mm 136.66 mm What are the null and alternative hypotheses? O A. Ho: o2 = 02 H₁:0² +0² Identify the test statistic. S 5.11 mm 5.32 mm OB. Ho: 01 02 H₁:0² = 0² D. Ho: 02 = 0²/2 H₂:02 203
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