Q7. The 95% C.I. is calculated as 95% C.I.= X ± 1.96 and the %3D n 99% C.I. is calculated as 99% C.I.= X ± 2.57 How will happen the Confidence Interval change when it is increased from 95% to 99% using the same sample.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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Q7. The 95% C.I. is calculated as 95% C.I.= X ± 1.96
02
and the
n
99% C.I. is calculated as 99% C.I.= X ± 2.57.
n
How will happen the Confidence Interval change when it is increased
from 95% to 99% using the same sample.
A. Widens with the same centre.
B. Narrows with different centres.
C. Same range with different centres.
D. Widens with different centres.
Transcribed Image Text:Q7. The 95% C.I. is calculated as 95% C.I.= X ± 1.96 02 and the n 99% C.I. is calculated as 99% C.I.= X ± 2.57. n How will happen the Confidence Interval change when it is increased from 95% to 99% using the same sample. A. Widens with the same centre. B. Narrows with different centres. C. Same range with different centres. D. Widens with different centres.
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