1. A recent study investigated ir the distribution of gender is the same scross all scademic ranks. Datswere collected by taking a random sample of individuals from within each academic rank and thenrecording each individuals gender. Use the output below to conduct the appropriste hypothesistest. Use a 0.05 level of significance.a. Name of the hypothesis testb. Null and alternative hypothesesc. Test Statistic valued. p-valuee. decision based on the p-valueThe SAS SystemThe FREQ ProcedureFrequencyTable of gender by careerPercentgender careerInstructor Assistant Prof Associate Prof Full Prof TotalRow PctCol PctFemale 121518528.0010.0012.004.6734.6723.0828.8534.6213.4536.3637.5037.5024.14Male212530229814.0016.6720.0014.6765.3321.4325.5130.6122.4563.6462.5062.5075.86Total3340482915022.0026.6732.0019.33100.00Statistics for Table of gender by careerStatisticDF Value ProbChi-Square3 1.7733 0.6208Likelihood Ratio Chi-Square 3 1.8561 0.6028Mantel-Haenszel Chi-Square 1 0.7649 0.3818Phi Coetficient0.1087Contingency Coefficient0.1081Cramer's V0.1087

Test is that whether the distribution of gender is the same across all academic ranks. Note :…

Answered: A recent study investigated ir the…

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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Perform the following hypothesis test of a proportion: HO: p = 0.33 HA: p 0.33 The sample proportion is 0.31 based on a sample size of 100. Use a 10% significance level. What is the value of the test statistic? (Give your answer rounded to 2 decimals) (Be careful to make sure your + or - sign is correct)
To decide between using an independent-samples t test and a one-way ANOVA, which question should the researcher ask? a. Is the population mean known b. Is the goal to measure association or to make a prediction c. Are there more than two levels of the independent variable d. Is the research deisgn between-groups or within-groups
The Bureau of Labor Statistics reports that the official unemployment rate for Black people was 10.4% and 4.7% for White people in February 2015. Select all correct answers for this question. O The samples of white and black people are independent. The explanatory variable is the unemployment rate. The response variable is the unemployment rate. The response variable is race.
Find test value and p-score.
Find the test statistic and p value
The critical value in a hypothesis test Multiple Choice depends on the value of the test statistic. is calculated from the sample data. separates the acceptance and rejection regions. usually is .05 or .01 in most statistical tests.
= Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 43 of the 49 subjects treated with echinacea developed rhinovirus infections. In a placebo group, 92 of the 109 subjects developed rhinovirus infections. Use a 0.05 significance level to test the claim that echinacea has an effect on rhinovirus infections. Complete parts (a) through (c) below. a. Test the claim using a hypothesis test. Consider the first sample to be the sample of subjects treated with echinacea and the second sample to be the sample of subjects treated with a placebo. What are the null and alternative hypotheses for the hypothesis test? OA. Ho: P₁ P2 H₁: P₁ = P2 O D. Ho: P₁ P2 H₁: P₁ P2 Identify the test statistic. Z= (Round to two decimal places as needed.) Identify the P-value. OB. Ho: P₁ P2 H₁: P₁ P2 ? O E. Ho: P₁ P2 H₁: P₁ P2 P-value= (Round to three decimal places as needed.) What is the conclusion based on the hypothesis test? The P-value is the significance level of a =…
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Use the information below, gathered from 1000 students from a small college who disclosed their age as well as their preference for type of instruction, to determine whether or not there is an association between age and preferred type of instruction. Write your hypotheses, perform the test, find the test statistic, the p-value, and state your conclusion. Assume a significance level of � = 0.01. AGE 18 & under 19-25 26-35 36-45 65 or Older online 43 56 26 20 20 Scheduled Zoom 48 75 34 26 20 Hybrid Zoom 82 19 88 83 59 Face to Face 27 50 52 71 101 a) Write your hypotheses.b) Use your calculator to determine the test statistic and p-value.c) Using the significance level provided, write an appropriate conclusion
Maps YouTube PeopleForms Contr... → Morning Song by S... e Morning Song The... How smallpox deva... G Atzec cared about s... Test the claim that the mean GPA of night students is larger than 2.7 at the 0.005 significance level. The null and alternative hypothesis would be: Ho:p> 2.7 Ho: p=0.675 Ho: p 0.675 Ho: 0.675 H₁: p2.7 H₁: 2.7 O of O O O The test is: two-tailed left-tailed right-tailed O Based on a sample of 55 people, the sample mean GPA was 2.73 with a standard deviation of 0.02 The p-value is: Based on this we: O Reject the null hypothesis Fail to reject the null hypothesis Question Help: Video Post to forum Submit Question (to 2 decimals)
K Winning team data were collected for teams in different sports, with the results given in the accompanying table. Use a 0.05 significance level to test the claim that home/visitor wins are independent of the sport. Given that among the four sports included here, baseball is the only sport in which the home team can modify field dimensions to favor its own players, does it appear that baseball teams are effective in using this advantage? Click the icon to view the data table. Determine the null and alternative hypotheses. Choose the correct answer below. OA. Ho: The home/visitor win is independent of the sport. H₁: The home/visitor win is not independent of the sport. OB. Ho: Basketball games are not more likely to win at home than any other sport. H₁: Basketball games are more likely to win at home than any other sport. OC. Ho: The home/visitor win is dependent on the sport. H₁: The home/visitor win is not dependent on the sport. OD. Ho: Basketball games are more likely to win at…
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