3. The maximum error of the estimate is found by A. adding za/2 by ratio of standard deviation and square root of n B. subtracting za/2 by ratio of standard deviation and square root of n C. multiplying za/2 by ratio of standard deviation and square root of n D. None of the Above

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Hi. Allow me to ask these two questions please. A simple explanations will do. Thank u.
3. The maximum error of the estimate is found by
A. adding za/2 by ratio of standard deviation and square root of n
B. subtracting za/2 by ratio of standard deviation and square root of n
C. multiplying za/2 by ratio of standard deviation and square root of n
D. None of the Above
4. What is the appropriate distribution to use when the population variance is assumed to be unknown with
inadequate sample size?
А. Z
В. t
C. x?
D. None of the Above
Transcribed Image Text:3. The maximum error of the estimate is found by A. adding za/2 by ratio of standard deviation and square root of n B. subtracting za/2 by ratio of standard deviation and square root of n C. multiplying za/2 by ratio of standard deviation and square root of n D. None of the Above 4. What is the appropriate distribution to use when the population variance is assumed to be unknown with inadequate sample size? А. Z В. t C. x? D. None of the Above
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