Hp Prime Graphing Calculator Instrukcja Użytkownika Strona 258

  • Pobierz
  • Dodaj do moich podręczników
  • Drukuj
Przeglądanie stron 257
254 Inference app
One-Sample T-Interval
Menu name T-Int: 1
This option uses the Student’s t-distribution to calculate a
confidence interval for , the true mean of a population,
for the case in which the true population standard
deviation, , is unknown.
Inputs The inputs are:
Results The results are:
Two-Sample T-Interval
Menu name T-Int:
1
2
This option uses the Student’s t-distribution to calculate a
confidence interval for the difference between the means
of two populations,
1
2
, when the population
standard deviations,
1
and
2
, are unknown.
Field
name
Definition
Sample mean
s Sample standard deviation
n Sample size
C Confidence level
x
Result Description
CConfidence level
DF Degrees of freedom
Critical T Critical values for T
Lower Lower bound for
Upper Upper bound for
Przeglądanie stron 257
1 2 ... 253 254 255 256 257 258 259 260 261 262 263 ... 607 608

Komentarze do niniejszej Instrukcji

Brak uwag