1. It is a rule or method that leads to decision to accept or reject the hypothesis whensample values are gathered from the population under study.A. EstimationC. Hypothesis TestingD. Test StatisticВ. Нурothesis2. What mathematical model is appropriate for decision-making about populationproportion?A. Graphical representationB. Normal curveC. z- statisticD. None of these3. This refers to an intelligent guess, an assumption, or a claim about a populationparameter which may either be true or false.A. HypothesisB. Test statisticC. DecisionD. Interpretation4. The probability of rejecting the null hypothesis when it is true is called,A. Level of ConfidenceC. Power of the testD. Estimate intervalB. Level of Significance5. What is the purpose of hypothesis testing?A. To collect sample data and use them to formulate hypotheses about apopulation.B. To draw conclusions about population and then collect sample data to supportthe conclusions.C. To draw conclusions about populations from sample data.D. To draw conclusions about the known value of population parameter6. Which of the following statements is true when the null hypothesis is rejected?A. There is significant difference between the parameters being compared.B. There is no significant difference between the parameters being compared.C. The conclusion is guaranteed.D. The conclusion is not guaranteed.7. If in the z-test of proportions, the computed z is found on the rejection region thenthis means that:A. The sample proportion is equal to the hypothesized proportion.B. The sample proportion is eaual 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 proportion438. What is the value of a for the 95% confidence level of a two-tailed test?A. 0.01С. 0.10B. 0.05D. 0.0259. If p = 0.3, p = 0.4, n = 50 what is the value of z?A. 0.45В. 0.63С. 1.54D. 0.5510. Under the normal curve, the middle part representsA. Confidence levelB. Confidence intervalC. Acceptance regionD. All of these11. In conducting hypothesis test, our point of investigation or the hypothesis that we aretesting is always thea. claimb. nullc. alternatived. evidence12The critical value determines theregions.a. rejected and non-rejected regionsc. tail of the curved. hypothesis to beb. area under thecurveproven13 Suppose you have conducted a hypothesis test and the claim is represented bv H.. Yourtest statistic falls on the non-rejected region on the graph. Which of the following is acorrect interpretation in the context of the claim?a. there is enough evidence to support the claimb. there is enough evidence to reject the claimc. there is not enough evidence to support the claimd. there is not enough evidence to reject the claim

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1. 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 D. Test Statistic B. Hypothesis 2. What mathematical model is appropriate for decision-making about population proportion? A. Graphical representation C. z- statistic B. Normal curve D. None of these 3. This refers to an intelligent guess, an assumption, or a claim about a population parameter which may either be true or false. A. Hypothesis B. Test statistic C. Decision D. Interpretation

1. 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 D. Test Statistic B. Hypothesis 2. What mathematical model is appropriate for decision-making about population proportion? A. Graphical representation C. z- statistic B. Normal curve D. None of these 3. This refers to an intelligent guess, an assumption, or a claim about a population parameter which may either be true or false. A. Hypothesis B. Test statistic C. Decision D. Interpretation

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

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Question

100%

1. 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
D. Test Statistic
В. Нурothesis
2. What mathematical model is appropriate for decision-making about population
proportion?
A. Graphical representation
B. Normal curve
C. z- statistic
D. None of these
3. This refers to an intelligent guess, an assumption, or a claim about a population
parameter which may either be true or false.
A. Hypothesis
B. Test statistic
C. Decision
D. Interpretation
4. The probability of rejecting the null hypothesis when it is true is called,
A. Level of Confidence
C. Power of the test
D. Estimate interval
B. Level of Significance
5. 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
6. Which of the following statements is true when the null hypothesis is rejected?
A. There is significant difference between the parameters being compared.
B. There is no significant difference between the parameters being compared.
C. The conclusion is guaranteed.
D. The conclusion is not guaranteed.
7. 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 eaual 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
43
8. What is the value of a for the 95% confidence level of a two-tailed test?
A. 0.01
С. 0.10
B. 0.05
D. 0.025
9. If p = 0.3, p = 0.4, n = 50 what is the value of z?
A. 0.45
В. 0.63
С. 1.54
D. 0.55
10. Under the normal curve, the middle part represents
A. Confidence level
B. Confidence interval
C. Acceptance region
D. All of these
11. In conducting hypothesis test, our point of investigation or the hypothesis that we are
testing is always the
a. claim
b. null
c. alternative
d. evidence
12
The critical value determines the
regions.
a. rejected and non-
rejected regions
c. tail of the curve
d. hypothesis to be
b. area under the
curve
proven
13 Suppose you have conducted a hypothesis test and the claim is represented bv H.. Your
test statistic falls on the non-rejected region on the graph. Which of the following is a
correct interpretation in the context of the claim?
a. there is enough evidence to support the claim
b. there is enough evidence to reject the claim
c. there is not enough evidence to support the claim
d. there is not enough evidence to reject the claim

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The area of inferential statistics called hypothesis testing is a decision-making process for evaluating claims about a population parameter, based on information obtained from samples. True or false