STA404 - Statistic for bussinese and social science

,
, Question 1


9) Q = df = n -
1 = 8 -
1 =
7


I -
M22 = 3 .


036(2)
tcal :
= 3 125) .




So
M
I -
0

3 036
.
=
2 .
9114


S



b) teak : -Ma = 3 1251
.

, Sa : 2 9114
.




,
n :
8 ,
Mail
,

Sa
n




= 3 125)
.
-
0
- 3 036
.


.
2 9114

T

effective in reducing pain amoung patients
2) Ho : My = O
hypnotism not



H: My < O hypnotism effective in
reducing pain among patients


teal =
3 036 .




& = 0 . 05 (one fail)

df = n- 1 =
8 -
1 = 7

to =
+d ,
df =
to 0s .



, 7
= 1 895
.




Since tav 1 895 < tak 3 036 rejectHo
: .
:
.




,

Therefore that
: there is
enough evidence to indicate hypnotism
effective in
reducing pain amoung patients .