For parts a and​ b, use the t​ tables, software, or a calculator to estimate. For parts c and​ d, use software or a calculator to estimate. ​a) the critical value of t for a 95​% confidence interval with df=15. ​b) the critical value of t for a 90​% confidence interval with df=61. ​c) the​ P-value for t≥1.66 with 10 degrees of freedom. ​d) the​ P-value for t>2.46 with 24 degrees of freedom.

Q: To determine the possible effect of a chemical treatment on the rate of seed germination, 400…

A: Givenn1=400x1=350p1^=x1n1=350400=0.8750n2=320x2=308p2^=x2n2=308320=0.9625

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A: Given:

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A: Find the critical value z(a/2) that corresponds to the confidence level 91%

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A:

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A: Here we increase sample size for both samples.90% CI: -1.25, 0.87∴ E = z σ12n1 + σ22n2

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A: It is given that Level of confidence = 0.92

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A:

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A: From the provided information,

Q: Find the critical value z a/2 that corresponds to the given confidence level 96

A: Find the critical value z a/2 that corresponds to the given confidence level 96

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A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.