Please answer no. 2. Thank you in advance students. Their mean scores are shown in the following table:another class, the teacher then selected another group of students as sample for existingr week. Is the mean sales of the products of all of the outlets significantly differentapproximately equal intelligence were selected. From one class, the teacher randomlyselected a group of students as experimental group for webcasting methods. Fromsubjects is more effective than the existing standard method of teaching. Two classes ofhypothesis testing for both one-tailed test and two-tailed tests.A teacher wants to find out if the webcasting methods of teaching social sciencesof their outlets with a standard deviation of P6 million. An area manager found outfrom the mean sales of the outlets in the area of the manager? Use a = 5%. Perform theon per week from their products in all1.the Is the mean sales of the products of all of the outlets significantly differentner weemean sales of the outlets in the area of the manager? Use a = 5%. Perform theA teae is more effective than the existing standard method of teaching. Two classes ofsuoximately equal intelligence were selected. From one class, the teacher randomlyof students as experimentalgroupselected agroup for webcasting methods. Fromndard method of teaching. After one trimester, the same tests were given to theudents. Their mean scores are shown in the following table:chteibMethod of teachingMean scoreStandard deviation Sample sizeWebcasting methodX = 82.3%3DS = 12dt daiv4 = 42Existing standardIqmsa sgal oX2 = 78.5S2 = 9%3Dn; = 38%3DmethodhorTest the hypothesis whether or not the webcasting method of teaching social sciencessubjects is more effective than the existing standard method of teaching. Use a = 0.05.TEST OF HYPOTHESIS USING THE Z-TEST

Given: Level of significance = 0.05 n1 = 42 x1 bar = 82.3 s1 = 12 n2 = 38 x2 bar = 78.5 s2 = 9

tests. 2 A teacher wants to find out if the webcasting methods of teaching social sciences subjects is more effective than the existing standard method of teaching. Two classes of suaximately equal intelligence were selected. From one class, the teacher randomly selected a group of students as experimental group for webcasting methods. From another class, the teacher then selected another group of students as sample for existing tandard method of teaching. After one trimester, the same tests were given to the tudents. Their mean scores are shown in the following table: Method of teaching Mean score Standard deviation Sample size Webcasting method X = 82.3 S, = 12 Existing standard method X2 = 78.5 S, = 9 n; = 38 Test the hypothesis whether or not the webcasting method of teaching social sciences 0.05. subjects is more effective than the existing standard method of teaching. Use a =

tests. 2 A teacher wants to find out if the webcasting methods of teaching social sciences subjects is more effective than the existing standard method of teaching. Two classes of suaximately equal intelligence were selected. From one class, the teacher randomly selected a group of students as experimental group for webcasting methods. From another class, the teacher then selected another group of students as sample for existing tandard method of teaching. After one trimester, the same tests were given to the tudents. Their mean scores are shown in the following table: Method of teaching Mean score Standard deviation Sample size Webcasting method X = 82.3 S, = 12 Existing standard method X2 = 78.5 S, = 9 n; = 38 Test the hypothesis whether or not the webcasting method of teaching social sciences 0.05. subjects is more effective than the existing standard method of teaching. Use a =

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Concept explainers

Average

In mathematics, everyone must have heard the term average in one place or other. Almost all types of calculation require taking out an average. In everyday life, the term is used for denoting a certain amount that can be said to be a typical quantity for multiple people or objects. In other words, if a group of people possesses a certain object, then the average gives us an idea regarding the quantity of the object possessed by each person. However, this is solely based on mathematical calculation. It is important to note that most people will not strictly have the average value in a group.

Question

Please answer no. 2. Thank you in advance

students. Their mean scores are shown in the following table:
another class, the teacher then selected another group of students as sample for existing
r week. Is the mean sales of the products of all of the outlets significantly different
approximately equal intelligence were selected. From one class, the teacher randomly
selected a group of students as experimental group for webcasting methods. From
subjects is more effective than the existing standard method of teaching. Two classes of
hypothesis testing for both one-tailed test and two-tailed tests.
A teacher wants to find out if the webcasting methods of teaching social sciences
of their outlets with a standard deviation of P6 million. An area manager found out
from the mean sales of the outlets in the area of the manager? Use a = 5%. Perform the
on per week from their products in all
1.
the Is the mean sales of the products of all of the outlets significantly different
ner weemean sales of the outlets in the area of the manager? Use a = 5%. Perform the
A teae is more effective than the existing standard method of teaching. Two classes of
suoximately equal intelligence were selected. From one class, the teacher randomly
of students as experimental
group
selected a
group for webcasting methods. From
ndard method of teaching. After one trimester, the same tests were given to the
udents. Their mean scores are shown in the following table:chteib
Method of teaching
Mean score
Standard deviation Sample size
Webcasting method
X = 82.3
%3D
S = 12
dt daiv
4 = 42
Existing standard
Iqmsa sgal o
X2 = 78.5
S2 = 9
%3D
n; = 38
%3D
method
hor
Test the hypothesis whether or not the webcasting method of teaching social sciences
subjects is more effective than the existing standard method of teaching. Use a = 0.05.
TEST OF HYPOTHESIS USING THE Z-TEST

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