For the following obtained and critical values, determine whether the experiment

Question

For the following obtained and critical values, determine whether the experimenter should reject or fail to reject the null hypothesis.
A. Obtained = 5.63, Critical = 3.78
B. Obtained = 3.78, Critical = 5.63
C. Obtained = 4.21, Critical = 3.78
D. Obtained = 1.25, Critical = 1.26

For the following obtained and critical values, determine whether the experimenter should reject or fail to reject the null hypothesis.
A. Obtained = 5.63, Critical = 3.78
B. Obtained = 3.78, Critical = 5.63
C. Obtained = 4.21, Critical = 3.78
D. Obtained = 1.25, Critical = 1.26


A. Obtained = 5.63, Critical = 3.78
B. Obtained = 3.78, Critical = 5.63
C. Obtained = 4.21, Critical = 3.78
D. Obtained = 1.25, Critical = 1.26

Explanation / Answer

A. Obtained = 5.63, Critical = 3.78

B. Obtained = 3.78, Critical = 5.63

C. Obtained = 4.21, Critical = 3.78

D. Obtained = 1.25, Critical = 1.26

A.
we got |zo| =5.63 & | z | = 3.78
make decision
hence value of |zo | > | z | and here we reject Ho

B.
we got |zo| =3.78 & | z | = 5.63
make decision
hence value of |zo | < | z | and here we failed reject Ho

C.
we got |zo| =4.21 & | z | = 3.78
make decision
hence value of |zo | > | z | and here we reject Ho

D.
we got |zo| =1.25 & | z | = 1.26
make decision
hence value of |zo | < | z | and here we don't reject Ho

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