QUIZ 3 (pa-check pa rin)

Question 1

It is a hypothesis which describes that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.

A. Accept Ho
B. Null Hypothesis
C. Alternative Hypothesis
D. Reject Ho

Answer 1

B. Null Hypothesis

Question 2

What is the null hypothesis in the statement, A researchers claim that the electric invention machine he proposed can sustain greater than 10watts
A. Ho:μ=10
B. Ho:μ≠10
C. Ho:μ>10
D. Ho:μ<10

Answer 2

C. Ho:μ>10

Question 3

What is the alternative hypothesis in the statement. A researchers claim that the electric invention machine he proposed can sustain greater than 10watts.

A. Ha:μ=10
B. Ha:µ 10
C. Ha:μ>10
D. Ha:μ<10

Answer 3

D. Ha:μ<10

Question 4

4. What is type of test the statement, A researchers claim that the electric invention machine he proposed can sustain greater than 10watts.

A. Two-tailed test
B. One-tailed test
C. One-tailed, right tailed test
D. One-tailed, left tailed test

Answer 4

C. One-tailed, right tailed test

Question 5

What is the null hypothesis in the question, Is there any significant relationship between the performance in Basic Calculus and competency level of STEM students?

A. There is no significant relationship between the performance in Basic Calculus and competency level of STEM students
B. There is significant relationship between the performance in Basic Calculus and competency level of STEM students
C. With significant relationship between the performance in Basic Calculus and competency level of STEM students
D. None of the above

Answer 5

A. There is no significant relationship between the performance in Basic Calculus and competency level of STEM students

Question 5

It is a type of one sample test that can only be use in the number of sample (n≥30)

A. One Sample T-test
B. One Sample Z-test
C. Independent T-test
D. Dependent T-test

Answer 5

B. One Sample Z-test

Question 6

What is the alternative hypothesis in the given problem?

A. Ha:μ=80
B. Ha:μ≠80
C. Ha:μ>80
D. Ha:μ<80

The result of nationwide aptitude test in Mathematics are normally distributed with meu 80 and sigma = 16. Is there any significant difference in the sample mean score of 83 from the selected 64 students who to take the same examination? Use alpha 0.05 and one-sample z-test

Answer 6

B. Ha:μ≠80

Question 7

What is the computed z - test value for one sample case in the given problem?

A. 1
B. 1.5
C. 2
D.25

The result of nationwide aptitude test in Mathematics are normally distributed with meu 80 and sigma = 16. Is there any significant difference in the sample mean score of 83 from the selected 64 students who to take the same examination? Use alpha 0.05 and one-sample z-test

Answer 7

B. 1.5

Question 8

What z - critical value at alpha= 0.05 level of significance in the given problem?

A. 1.94
B. 1.95
C. 1.96
D. 1.97

The result of nationwide aptitude test in Mathematics are normally distributed with meu 80 and sigma = 16. Is there any significant difference in the sample mean score of 83 from the selected 64 students who to take the same examination? Use alpha 0.05 and one-sample z-test

Answer 8

C. 1.96

Question 9

What is the decision in the given problem?

A. With Significant Difference
B. Reject Ho
C. Without Significant Difference.
D. Accept Ho

The result of nationwide aptitude test in Mathematics are normally distributed with meu 80 and sigma = 16. Is there any significant difference in the sample mean score of 83 from the selected 64 students who to take the same examination? Use alpha 0.05 and one-sample z-test

Answer 9

D. Accept Ho

Question 10

What is the interpretation in the given problem?

A. With Significant Difference
B. Reject Ho
C. Without Significant Difference
D. Accept Ho

The result of nationwide aptitude test in Mathematics are normally distributed with meu 80 and sigma = 16. Is there any significant difference in the sample mean score of 83 from the selected 64 students who to take the same examination? Use alpha 0.05 and one-sample z-test

Answer 10

C. Without Significant Difference

Question 11

What is the value of the standard error (SEm) in the given problem?

A. 0.20
B. 0.25
C. 0.30
D. 0.26

Is there any significant difference in the sample mean of 40 average students per classroom for 144 students to the standard mean of 42 average students for classroom with standard deviation of 3. Use one-sample t-test

Answer 11

B. 0.25

Question 12

13. What is the computed t-test value for one sample case in the given problem?

A. 8
B. 10
C. 6.67
D. 7.69

wala ako sagot

Is there any significant difference in the sample mean of 40 average students per classroom for 144 students to the standard mean of 42 average students for classroom with standard deviation of 3. Use one-sample t-test

Question 12

What is the degree of freedom in the given problem using df = n
- 1?

A. 40
B. 38
C. 1
D. 143

Is there any significant difference in the sample mean of 40 average students per classroom for 144 students to the standard mean of 42 average students for classroom with standard deviation of 3. Use one-sample t-test

Answer 12

D. 143

Question 13

What t - critical value at alpha = 0.05 level of significance in the given problem?

A. 1.980
B. 1.960
C. 2.021
D. 12.706

Is there any significant difference in the sample mean of 40 average students per classroom for 144 students to the standard mean of 42 average students for classroom with standard deviation of 3. Use one-sample t-test

Answer 13

B. 1.960

Question 14

What is the decision in the given problem?

A. With Significant Difference
B. Reject Ho
C. Without Significant Difference
D. Accept Ho

Is there any significant difference in the sample mean of 40 average students per classroom for 144 students to the standard mean of 42 average students for classroom with standard deviation of 3. Use one-sample t-test

Answer 14

B. Reject Ho

Question 15

What is the interpretation the given problem?

A. With Significant Difference
B. Reject Ho
C. Without Significant Difference
D. Accept Ho

Is there any significant difference in the sample mean of 40 average students per classroom for 144 students to the standard mean of 42 average students for classroom with standard deviation of 3. Use one-sample t-test

Answer 15

A. With Significant Difference

Question 16

18. What is the critical t-test value?

A. ± 2.776
B. ± 4.032
C. ± 2.571
D. ± 4.604

Is there any significant difference in the learning process of the students based from their pre-evaluation and post evaluation conducted by their teacher? Use alpha at 0.01 (two-tailed)

nasa docs yung table: https://docs.google.com/document/d/1NfP7bAoXFMNOvv7AyF1Qj1Bsisn1lFvGnb5t12EFzfw/edit

Answer 16

D. ± 4.604

Question 17

19-20. What is the computed t- test value?

A. 1.56
B. -1.18
C. 0.56
D. -0.47

Is there any significant difference in the learning process of the students based from their pre-evaluation and post evaluation conducted by their teacher? Use alpha at 0.01 (two-tailed)

nasa docs yung table: https://docs.google.com/document/d/1NfP7bAoXFMNOvv7AyF1Qj1Bsisn1lFvGnb5t12EFzfw/edit

Answer 17

D. -0.47

Question 18

21. What will be decision about the hypothesis?

A. Accept Ho
B. Reject Ho

Is there any significant difference in the learning process of the students based from their pre-evaluation and post evaluation conducted by their teacher? Use alpha at 0.01 (two-tailed)

nasa docs yung table: https://docs.google.com/document/d/1NfP7bAoXFMNOvv7AyF1Qj1Bsisn1lFvGnb5t12EFzfw/edit

Answer 18

A. Accept Ho

Question 19

22. What type of test which compares the means of two related groups to determine whether there is a statistically significant difference between these means?

A. Independent sample t-test
B. Paired sample t-test
C. Chi-square test
D. Pearson correlation

Is there any significant difference in the learning process of the students based from their pre-evaluation and post evaluation conducted by their teacher? Use alpha at 0.01 (two-tailed)

nasa docs yung table: https://docs.google.com/document/d/1NfP7bAoXFMNOvv7AyF1Qj1Bsisn1lFvGnb5t12EFzfw/edit

Answer 19

B. Paired sample t-test

Question 20

23. What is the critical t- value?

A. +2.31
B. ± 2.26
C. +3.31
D. ± 3.36

Is there any significant difference in the scores in General Mathematics of the Senior High School students when grouped according to their Gender? Use 5% level of significance.

Table 2: https://docs.google.com/document/d/1NfP7bAoXFMNOvv7AyF1Qj1Bsisn1lFvGnb5t12EFzfw/edit

Answer 20

B. ± 2.26

Question 21

24. What is the average of male’s scores?

A. 12.5
B. 14.75
C. 13.5
D. 14.60

Is there any significant difference in the scores in General Mathematics of the Senior High School students when grouped according to their Gender? Use 5% level of significance.

Table 2: https://docs.google.com/document/d/1NfP7bAoXFMNOvv7AyF1Qj1Bsisn1lFvGnb5t12EFzfw/edit

Answer 21

C. 13.5

Question 22

25- 26. What is the computed t- test value

A. -0.40
B 1.39
C. 2.23
D.2.40

Is there any significant difference in the scores in General Mathematics of the Senior High School students when grouped according to their Gender? Use 5% level of significance.

Table 2: https://docs.google.com/document/d/1NfP7bAoXFMNOvv7AyF1Qj1Bsisn1lFvGnb5t12EFzfw/edit

Answer 22

A. -0.40

Question 23

27. What will be decision about the hypothesis?

A. Accept Ho
B. Reject Ho

Is there any significant difference in the scores in General Mathematics of the Senior High School students when grouped according to their Gender? Use 5% level of significance.

Table 2: https://docs.google.com/document/d/1NfP7bAoXFMNOvv7AyF1Qj1Bsisn1lFvGnb5t12EFzfw/edit

Answer 23

A. Accept Ho

Question 24

28. What is the Total Sum Squares (SStotal)?

A. 35
B. 36
C. 39
D. 41

Is there any significant difference in the score in Statistics of the selected in a particular section of Grade 11-students when grouped according to age? Use alpha 0.05 (Data as follows)

Table 3: https://docs.google.com/document/d/1NfP7bAoXFMNOvv7AyF1Qj1Bsisn1lFvGnb5t12EFzfw/edit

Answer 24

C. 39

Question 25

29. What is the Sum of Squares between the groups (SSbg)?

A. 1.80
B. 2.10
C. 37.20
D. 22.50

Is there any significant difference in the score in Statistics of the selected in a particular section of Grade 11-students when grouped according to age? Use alpha 0.05 (Data as follows)

Table 3: https://docs.google.com/document/d/1NfP7bAoXFMNOvv7AyF1Qj1Bsisn1lFvGnb5t12EFzfw/edit

Answer 25

A. 1.80

Question 26

30. What is the degree of freedom?

A. df bg= 2, dfwg= 9
B. dfBG= 9, dfwG= 2
C. dfBG= 3, dfwG= 12

Is there any significant difference in the score in Statistics of the selected in a particular section of Grade 11-students when grouped according to age? Use alpha 0.05 (Data as follows)

Table 3: https://docs.google.com/document/d/1NfP7bAoXFMNOvv7AyF1Qj1Bsisn1lFvGnb5t12EFzfw/edit

Answer 26

A. df bg= 2, dfwg= 9

Question 27

31-32 What is the F-critical value?

A. 2.49
B. 3.36
C. 4.26
D. 4. 39

Is there any significant difference in the score in Statistics of the selected in a particular section of Grade 11-students when grouped according to age? Use alpha 0.05 (Data as follows)

Table 3: https://docs.google.com/document/d/1NfP7bAoXFMNOvv7AyF1Qj1Bsisn1lFvGnb5t12EFzfw/edit

Answer 27

C. 4.26

Question 28

33-34. What is the computed F - value?

A. 0.22
B. 1.32
C. 2.21
D. 2.25

Is there any significant difference in the score in Statistics of the selected in a particular section of Grade 11-students when grouped according to age? Use alpha 0.05 (Data as follows)

Table 3: https://docs.google.com/document/d/1NfP7bAoXFMNOvv7AyF1Qj1Bsisn1lFvGnb5t12EFzfw/edit

Answer 28

A. 0.22

Question 29

35. What will be decision about the hypothesis?

A. Accept Ho
B. Reject Ho

Is there any significant difference in the score in Statistics of the selected in a particular section of Grade 11-students when grouped according to age? Use alpha 0.05 (Data as follows)

Table 3: https://docs.google.com/document/d/1NfP7bAoXFMNOvv7AyF1Qj1Bsisn1lFvGnb5t12EFzfw/edit

Answer 29

B. Reject Ho