Casio FX-9750G 매뉴얼 - 페이지 6

{카테고리_이름} Casio FX-9750G에 대한 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Casio FX-9750G 19 페이지. 3. solve, differential/quadratic differential, integration, maximum/minimum value, and calculations
Casio FX-9750G에 대해서도 마찬가지입니다: 사용자 설명서 (18 페이지), 부록 (10 페이지), 매뉴얼 (12 페이지), 매뉴얼 (13 페이지), 매뉴얼 (10 페이지), 매뉴얼 (16 페이지), 매뉴얼 (12 페이지), 매뉴얼 사용 (12 페이지), 매뉴얼 (11 페이지), 매뉴얼 (14 페이지), 매뉴얼 (9 페이지), 부록 (18 페이지), 매뉴얼 (18 페이지), 매뉴얼 (17 페이지)

페이지 인쇄
Casio FX-9750G 매뉴얼
Program for
Description
The mean (sample mean) and sample standard deviation can be used to obtain a
(x – m)
t =
x
Example
To determine whether the population standard deviation for sample data 55, 54, 51,
55, 53, 53, 54, 52, is 53.
Perform a
Preparation and operation
• Store the program written on the next page.
• Execute the program as shown below.
Step Key operation
The above operation produces a t-test value of t(53) = 0.7533708035. According to the t-distribution
table in the next page, a level of significance of 5% and a degree of freedom of 7 (
produce a two-sided t-test value of approximately 2.365. Since the calculated t-test value is lower
than the table value, the hypothesis that population mean
PROGRAM SHEET
t
-Test Value
x
: mean of
x
: sample standard deviation of
n
n–
–1
1
n
: number of data items
n
m
: hypothetical population standard deviation (normally repre-
sented by , but
limitations)
t
-test with a level of significance of 5%.
Display
x
data
x
m
is used here because of variable name
Step Key operation
m
equals 53 is accepted.
No.
3
t
-test value.
data
Display
n
– 1 = 8 – 1 = 7)
380