Q8. X is a normally distributed random variable with unknown µ and a known variance, o. X and s' are the unbiased, sample mean and sample variance estimates of u and o respectively calculated from a small random sample. The 95% C.I. is calculated as: A. X±Zo.025. B. µ±Zo.025. n s2 C. X±Zo.025. s2 D. μ+ Ζo.025.

MATLAB: An Introduction with Applications
6th Edition
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Author:Amos Gilat
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X is a normally distributed random variable with unknown µ and a
known variance, o. X and s are the unbiased, sample mean and
sample variance estimates of u and o respectively calculated from a
Q8.
small random sample. The 95% C.I. is calculated as:
A. X±Zo.025.
|02
B. µ±Zo.025.
s2
C. X±Zo.025
s2
D. µ ± Zo.025.
n
O A. A
В. В
О С. С
O D. D
Transcribed Image Text:X is a normally distributed random variable with unknown µ and a known variance, o. X and s are the unbiased, sample mean and sample variance estimates of u and o respectively calculated from a Q8. small random sample. The 95% C.I. is calculated as: A. X±Zo.025. |02 B. µ±Zo.025. s2 C. X±Zo.025 s2 D. µ ± Zo.025. n O A. A В. В О С. С O D. D
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