Provided below are summary statistics for independent simple random samples from two populations. Use the pooled t-test and the pooled t-interval procedure to conduct the required hypothesis test and obtain the specified confidence interval. x₁ =20,s₁ = 5, n₁ = 20, x₂ = 24, s₂ = 6, n₂ = 14 a. Left-tailed test, α = 0.05 b. 90% confidence interval a. What are the correct hypotheses for a left-tailed test? OA. Ho: H₁
Provided below are summary statistics for independent simple random samples from two populations. Use the pooled t-test and the pooled t-interval procedure to conduct the required hypothesis test and obtain the specified confidence interval. x₁ =20,s₁ = 5, n₁ = 20, x₂ = 24, s₂ = 6, n₂ = 14 a. Left-tailed test, α = 0.05 b. 90% confidence interval a. What are the correct hypotheses for a left-tailed test? OA. Ho: H₁
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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Question
Since the P-value is
than
▼
greateror
equal or less
α,
▼
do not rejector
reject
H0.
b. The
to
90%
confidence interval is from
Transcribed Image Text:Provided below are summary statistics for independent simple random samples from two
populations. Use the pooled t-test and the pooled t-interval procedure to conduct the
required hypothesis test and obtain the specified confidence interval.
x₁ =20, s₁ = 5, n₁ = 20, x₂ = 24, s₂ = 6, n₂ = 14
a. Left-tailed test, α = 0.05
b. 90% confidence interval
a. What are the correct hypotheses for a left-tailed test?
OA. Ho: H₁ <H₂2
Ha: H1 H₂
OC. Ho: H₁ H₂
Ha: H1 H₂
B. Ho: H₁
Ha: H1
Determine the P-value.
OD. Ho: H₁
Ha: H1
OE. Ho: H₁ H₂
Ha: H1 H2
Compute the test statistic.
t= (Round to three decimal places as needed.)
H₂
H2
OF. Ho: H₁ H₂
Ha: H1 <H₂
P= (Round to four decimal places as needed.)
H₂
H₂
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