Statistics Question

Assessment (Post Test)

1. Which of the following refers to the hypothesis of no differences, usually formulated to express purpose of rejection?

Alternative hypothesis

Error Hypothesis

Null Hypothesis

Significance Hypothesis

2. Which of the following refers to the operational statement of the researcher’s hypothesis is the one that hopes to accept.

Alternative hypothesis

Error Hypothesis

Null Hypothesis

Significance Hypothesis

3. Which of the following refers to the alternative hypothesis that utilizes the symbol.

Directional

Non-Directional

One -tailed test

Two-tailed test

4. Which of the following refers to the alternative hypothesis that utilizes the < or the symbol?

Directional

Non-Directional

One -tailed test

Two-tailed test

5. It is the area where a very small probability is attained such that the values in this area have a very slim chance of occurring in any sample

A. Critical Region

C. Non- Rejection Region

B. Critical Value

D. Statistical Region

6. Suppose the null hypothesis is rejected, the probability of the Type I error will be 10%. What is the probability of a correct decision?

A.90%

B. 95%

C. 99%

D. 100%

7. A medical trial is conducted in Vicente Sotto Memorial Medical Center to test whether or not a new medicine reduces cholesterol by 35%. Which of the following statement describes the null hypothesis?

Ho: The drug reduces cholesterol by 35%. p = 0.35.

1. Ho : The drug reduces cholesterol by more than 35%. p > 0.35.
2. Ho : The drug reduces cholesterol by less than 35%. p < 0.35
3. Ho : The drug does not reduce cholesterol by less than 35%. p * 0.35.crot a cort come in 18 years old when, in fact, she is 16 years old. WheType I error B. Type Il error C. Type Ill erroD. Type IV error11. A man plans to go hunting the Philippine monkey-eating eagle believing that it is a proof of his mettle. What type of error is this?A. Type I error B. Type II errorC. Type III errorD. Type IV error12. Which of the following statement about types of error in hypothesis testing isINCORRECT?
4. 1. Ho is true and we decide not to reject it.
   2. Ho is false and we decide not to reject it.
   3. A Type I Error occurs when you reject the null hypothesis when it is actually true.
   4. A Type Il Error occurs when you do not reject the null hypothesis when it is actually false.

   For items 13-15, refer to the given problem below:A Grade 3 teacher wants to test ( at a = 0.05 ) whether the average body massindex (BMI) of the pupils under feeding program is different from 25.5 kg.13. What is the probability of committing type I error?A. 0.01B. 0.05C. 0.08D. 0.0514. What is the conclusion when Ho is rejected?

   1. The average BMI of the pupils under feeding program is different from 25.5 kg.
   2. The average BMI of the pupils under feeding program is equal from 25.5
   3. The average BMI of the pupils under feeding program is more than or greater from 25.5 kg.
   4. The average BMI of the pupils under feeding program is less than or greater from 25.5 kg.

   State the conclusion when Ho is not rejected.

5. A. The average BMI of the pupils under feeding program is 25.5.The average BMI of the pupils under feeding program is less than 25.
6. The average BMI of the pupils under feeding program is greater the2. The average BMI of the pupils under feeding program is not equal 25,5.

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