Directions: Select the letter of the option that correctly answers the questions or completes the statement. 1. This refers to an intelligent guess, an assumption, or a claim about a population parameter which may either be true or false. A. Hypothesis C. Decision B. Test statistic D. Interpretation 2. It is a rule or method that leads to decision to accept or reject the hypothesis when sample values are gathered from the population under study. A. Estimation C. Hypothesis Testing B. Hypothesis D. Test Statistic 3. What is the purpose of hypothesis testing? A. To collect sample data and use them to formulate hypotheses about a population. B. To draw conclusions about population and then collect sample data to support the conclusions. C. To draw conclusions about populations from sample data.
Test of Hypothesis
Directions: Select the letter of the option that correctly answers the
questions or completes the statement.
1. This refers to an intelligent guess, an assumption, or a claim about a population parameter which may either be true or false.
A. Hypothesis C. Decision
B. Test statistic D. Interpretation
2. It is a rule or method that leads to decision to accept or reject the hypothesis when sample values are gathered from the population under study.
A. Estimation C. Hypothesis Testing
B. Hypothesis D. Test Statistic
3. What is the purpose of hypothesis testing?
A. To collect sample data and use them to formulate hypotheses about a
population.
B. To draw conclusions about population and then collect sample data to
support the conclusions.
C. To draw conclusions about populations from sample data.
D. To draw conclusions about the known value of population parameter
4. What mathematical model is appropriate for decision-making about population proportion?
A. Graphical representation C. z – statistic
B. Normal curve D. None of these
5. The probability of rejecting the null hypothesis when it is true is called,
A. Level of Confidence C. Power of the test
B. Level of Significance D. Estimate interval
6. Which of the following statements is true when the null hypothesis is rejected?
A. There is significant difference between parameters being compared.
B. There is no significant difference between parameters being compared.
C. The conclusion is guaranteed.
D. The conclusion is not guaranteed.
7. What is the value of α for the 95% confidence level of a two-tailed test?
A. 0.01 C. 0.10
B. 0.05 D. 0.025
8. If in the z-test of proportions, the computed z is found on the rejection region then this means that:
A. The sample proportion is equal to the hypothesized proportion.
B. The sample proportion is equal to the population proportion.
C. The sample proportion is not equal to the hypothesized proportion.
D. The sample proportion is not equal to the population proportion.
9. If p = 0.3, = 0.4, n = 50 what is the value of z?
A. 0.45 C. 1.54
B. 0.63 D. 0.55
10.Under the normal curve, the middle part represents
A. Confidence level C. Acceptance region
B. Confidence interval D. All of these
A. Tell whether the following statement as a hypothesis or a fact. On the space provided before each item, write H if the statement is a hypothesis and F if it is a fact
_____1. Drug A is less efficient than Drug B as treatment of a certain disease.
_____2. An hour is equal to sixty minutes.
_____3. The mean percentage score of a group of HUMSS students in a
general mathematics midterm exam is above 80.
_____4. Blood is thicker in consistency than water.
_____5. The new teaching strategy has no significant change in the statistics
pre-test and post-test results.
_____6. Sleeping at least 6 hours will make you do better on tests than if you
get less sleep.
_____7. Planets travel in ellipses with one focus being the Sun.
_____8. The number of pets in a household is unrelated to the number of
people living in it.
_____9. Rodrigo Roa Duterte is the 16th President of the Philippines.
_____10. All daisies have the same number of petals.
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