After the measles outbreak, the barangay captain of Big Rock wanted to assess the satisfaction of the residents to his actions during the outbreak. He then obtained a random sample of 5 residents per block (Block 1 to Block 5) and asked them their satisfaction (1 – very dissatisfied, 2- dissatisfied, 3- satisfied, 4- very satisfied). He wanted to know if the satisfaction of his residents differs across blocks. i. True or False: We should test the normality of responses per blocks before we proceed with the test of hypothesis on comparing these responses across blocks. ii. The appropriate alternative hypothesis in symbols is? a) At least one µi # µj, for izj, i,j=1,2,3,4,5 b) At least one Mdi + Mdj, for i#j, i,j=1,2,3,4,5 c ) μ1 μ2-μ3-μ4 μ5 d) Md1= Md2 = Md3 = Md4 = Md5 iii. Suppose the p-value of appropriate test is 0.0013, at 5% level of significance, we have evidence to say that at least one block has a different average a) Insufficient; measles outbreak b) Sufficient; measles outbreak c) Insufficient; satisfaction rating d) Sufficient; satisfaction rating Please answer and explain briefly, thank you.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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After the measles outbreak, the barangay captain of Big Rock wanted to assess the
satisfaction of the residents to his actions during the outbreak. He then obtained a random
sample of 5 residents per block (Block 1 to Block 5) and asked them their satisfaction (1 – very
dissatisfied, 2- dissatisfied, 3- satisfied, 4- very satisfied). He wanted to know if the satisfaction
of his residents differs across blocks.
i. True or False: We should test the normality of responses per blocks before we proceed with
the test of hypothesis on comparing these responses across blocks.
ii. The appropriate alternative hypothesis in symbols is?
a) At least one µi # µj, for izj, i,j=1,2,3,4,5
b) At least one Mdi + Mdj, for i#j, i,j=1,2,3,4,5
c ) μ1 μ2-μ3-μ4 μ5
d) Md1= Md2 = Md3 = Md4 = Md5
iii. Suppose the p-value of appropriate test is 0.0013, at 5% level of significance, we have
evidence to say that at least one block has a different average
a) Insufficient; measles outbreak
b) Sufficient; measles outbreak
c) Insufficient; satisfaction rating
d) Sufficient; satisfaction rating
Please answer and explain briefly, thank you.
Transcribed Image Text:After the measles outbreak, the barangay captain of Big Rock wanted to assess the satisfaction of the residents to his actions during the outbreak. He then obtained a random sample of 5 residents per block (Block 1 to Block 5) and asked them their satisfaction (1 – very dissatisfied, 2- dissatisfied, 3- satisfied, 4- very satisfied). He wanted to know if the satisfaction of his residents differs across blocks. i. True or False: We should test the normality of responses per blocks before we proceed with the test of hypothesis on comparing these responses across blocks. ii. The appropriate alternative hypothesis in symbols is? a) At least one µi # µj, for izj, i,j=1,2,3,4,5 b) At least one Mdi + Mdj, for i#j, i,j=1,2,3,4,5 c ) μ1 μ2-μ3-μ4 μ5 d) Md1= Md2 = Md3 = Md4 = Md5 iii. Suppose the p-value of appropriate test is 0.0013, at 5% level of significance, we have evidence to say that at least one block has a different average a) Insufficient; measles outbreak b) Sufficient; measles outbreak c) Insufficient; satisfaction rating d) Sufficient; satisfaction rating Please answer and explain briefly, thank you.
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