Toplem 2: B. Test on means for to Sample test on means for Your and talk about your friends are at a sleepover you how potato chips are made and each pack has weight of 80 grams. Your Friend says she measured 40 packs and standard deviation OF 2.S at it measured 78 with a think that she is wrong? 95% confi ident level, you one comple 2-Test

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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can you make this correct?

froblem 2: B. Test on means for tup Sample
test on means for one comple
V
ou and
your friends are at a sleepover you
talk about
how potato chips are made and each pack has weight of
2-Test
80
grams.
Your
friend says she measured 40 packs and
2 measured 78 with a standard deviation of 2.5 at
confident level, do you think that she is wrong
95%
H₂ = * = 80
x = 78
DA SO
S =
2.S
n =
40
Kate
Mo = 80
Michael
+
= 78-80 Jean
2.5
Акс
=
√40
-2
0.39528
3 = -5.06
Members:
Mary Rose S. Calope
Carlin Miel L. Perioles
Jean Can C. Maturan.
kate Maurice D. Sescon
Michael C. Galagaran
95 100
= 0.95
1.95 0.05
0.092 0.025
Carlin
critical region
0. S
95
!
Reject Region
0.025
1
1
1
-5.06 -1.96
1.96
O
• Reject null hypothusis, this means
that
my Friend is
incorrect because at 95% confidence the machine
is working properly.
Alpa
5.06
Transcribed Image Text:froblem 2: B. Test on means for tup Sample test on means for one comple V ou and your friends are at a sleepover you talk about how potato chips are made and each pack has weight of 2-Test 80 grams. Your friend says she measured 40 packs and 2 measured 78 with a standard deviation of 2.5 at confident level, do you think that she is wrong 95% H₂ = * = 80 x = 78 DA SO S = 2.S n = 40 Kate Mo = 80 Michael + = 78-80 Jean 2.5 Акс = √40 -2 0.39528 3 = -5.06 Members: Mary Rose S. Calope Carlin Miel L. Perioles Jean Can C. Maturan. kate Maurice D. Sescon Michael C. Galagaran 95 100 = 0.95 1.95 0.05 0.092 0.025 Carlin critical region 0. S 95 ! Reject Region 0.025 1 1 1 -5.06 -1.96 1.96 O • Reject null hypothusis, this means that my Friend is incorrect because at 95% confidence the machine is working properly. Alpa 5.06
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