Texas Instruments TI-84 PLUS SILV Guidebook - Page 236
ZInterval, L1={299.4
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ZInterval ZInterval (one-sample z confidence interval; item 7) computes a confidence interval for an unknown population mean m when the population standard deviation s is known. The computed confidence interval depends on the user-specified confidence level. In the example: L1={299.4, 297.7, 301, 298.9, 300.2, 297} Data Input: Stats Calculated results: TInterval TInterval (one-sample t confidence interval; item 8) computes a confidence interval for an unknown population mean m when the population standard deviation s is unknown. The computed confidence interval depends on the user-specified confidence level. In the example: L6={1.6, 1.7, 1.8, 1.9} Data Input: Stats Chapter 13: Inferential Statistics and Distributions 229
Chapter 13: Inferential Statistics and Distributions
229
ZInterval
ZInterval
(one-sample
z
confidence interval; item
7
) computes a confidence interval for an unknown
population mean
m
when the population standard deviation
s
is known. The computed confidence
interval depends on the user-specified confidence level.
In the example:
L1={299.4, 297.7, 301, 298.9, 300.2, 297}
TInterval
TInterval
(one-sample
t
confidence interval; item
8
) computes a confidence interval for an unknown
population mean
m
when the population standard deviation
s
is unknown. The computed
confidence interval depends on the user-specified confidence level.
In the example:
L6={1.6, 1.7, 1.8, 1.9}
Data
Stats
Input:
Calculated
results:
Data
Stats
Input: