Answered: df= (Type a whole number.) x2=(Round to…

df= (Type a whole number.) x2=(Round to three decimal places as needed.) X=(Round to three decimal places as needed.) The confidence interval estimate of a is mg <

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.1: Measures Of Center

Problem 9PPS

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Question

20. Use the given information to find the number of degrees of freedom, the critical values χ2L and χ2R, and the confidence interval estimate of σ. It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution. Nicotine in menthol cigarettes 80% confidence; n=20, s=0.23 mg.

(Type a whole number.)
x2=(Round to three decimal places as needed.)
X=(Round to three decimal places as needed.)
The confidence interval estimate of a is mg <<mg.
(Round to two decimal places as needed.)
df=

Definition Definition Method in statistics by which an observation’s uncertainty can be quantified. The main use of interval estimating is for describing a range that is made by transforming a point estimate by determining the range of values, or interval within which the population parameter is likely to fall. This range helps in measuring its precision.

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