You are conducting a study to see if the proportion of voters who prefer Candidate A is significantly different from 73% at a significance level of αα = 0.025. According to your sample, 70 out of 87 potential voters prefer Candidate A.For this study, we should use Select an answer χ²GOF-Test 2-PropZInt χ²-Test TInterval T-Test 2-PropZTest 2-SampTTest 1-PropZInt 1-PropZTest 2-SampTInt ANOVA The null and alternative hypotheses would be: H0H0: ? p μ Select an answer < ≠ = > (please enter a decimal) H1H1: ? μ p Select an answer ≠ < > = (Please enter a decimal) The test statistic = (please show your answer to 3 decimal places.) The p-value = (Please show your answer to 4 decimal places.) The p-value is Select an answer greater than less than (or equal to) αα Based on this, we should Select an answer fail to reject accept reject the null hypothesis. As such, the final conclusion is that ...The sample data suggest that the populaton proportion is significantly different from 73% at αα = 0.025, so there is sufficient evidence to conclude that the proportion of voters who prefer Candidate A is different from 73%The sample data suggest that the population proportion is not significantly different from 73% at αα = 0.025, so there is not sufficient evidence to conclude that the proportion of voters who prefer Candidate A is different from 73%.

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Description: You are conducting a study to see if the proportion of voters who prefer Candidate A is significantly different from 73% at a significance level of αα = 0.025. According to your sample, 70 out of 87 potential voters prefer Candidate A.For this study,

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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You are conducting a study to see if the proportion of voters who prefer Candidate A is significantly different from 73% at a significance level of αα = 0.025. According to your sample, 70 out of 87 potential voters prefer Candidate A.

For this study, we should use Select an answer χ²GOF-Test 2-PropZInt χ²-Test TInterval T-Test 2-PropZTest 2-SampTTest 1-PropZInt 1-PropZTest 2-SampTInt ANOVA

The null and alternative hypotheses would be:
  H0H0: ? p μ Select an answer < ≠ = > (please enter a decimal)
  H1H1: ? μ p Select an answer ≠ < > = (Please enter a decimal)

The test statistic = (please show your answer to 3 decimal places.)

The p-value = (Please show your answer to 4 decimal places.)

The p-value is Select an answer greater than less than (or equal to) αα

Based on this, we should Select an answer fail to reject accept reject the null hypothesis.

As such, the final conclusion is that ...
- The sample data suggest that the populaton proportion is significantly different from 73% at αα = 0.025, so there is sufficient evidence to conclude that the proportion of voters who prefer Candidate A is different from 73%
- The sample data suggest that the population proportion is not significantly different from 73% at αα = 0.025, so there is not sufficient evidence to conclude that the proportion of voters who prefer Candidate A is different from 73%.

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It is given that hypothesized proportion (p) is 0.73, sample size n is 87 and x is 70.

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