QUESTION 4   Possible Lessons: Correlation and Regression Analysis Spearman’s Rank-Order Correlation Introduction to Hypothesis Testing Steps of Hypothesis Testing Appropriate Statistical Test The t-test and Z-test Question: A barangay captain claims that at least 85% of the residents of the barangay have household pets. To test this claim, a researcher randomly selected a sample of 550 residents and find that 440 of them do have household pets. At .05 level of signficance, what can the researcher conclude? Please show complete and accurate solution. Kindly make the solution clear and readable.

Q: One of the town council members believes that the two fire stations have different mean response…

A: Assume that the response times of fire station in Northern and Southern are independent. Further,…

Q: Suppose 247 subjects are treated with a drug that is used to treat pain and 55 of them developed…

A: Solution: Let X be the number of subjects developed nausea and n be the number of subjects are…

Q: cohabitation?  Is the relationship between marital status and attitude toward nonmarital…

A: From the above data The significance level of an event (such as a statistical test) is the…

Q: In a study on attitudes toward the blacks, participants are asked questions such as, “Do you believe…

A: In a study on attitudes toward the blacks, participants are asked questions such as, “Do you believe…

Q: Determine the null and alternative hypotheses. O A. Ho: The amount of smoking is independent of seat…

A: 0 1-14 15-34 35 and over Total wear selt belts 197 12 44 6 259 dont wear selt belt 150…

Q: Consider the following sample data: 9.37, 13.04, 11.69, 8.21, 11.18, 10.41, 13.15, 11.51, 13.21, and…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: Will you help with this question on my review notes? In a 1997 a survey of 900 households showed…

A: Given n=900 Alpha=0.05 X=144

Q: Which of these sounds like a situation where you would want to use an Independent-Measures ANOVA?…

A: concept: Independent ANOVA is used to compare means of more than two groups and then draw…

Q: A study of seat belt users and nonusers yielded the randomly selected sample data summarized in the…

A: Answer: To calculate the value of chi-square test statistics.

Q: A study of seat belt users and nonusers yielded the randomly selected sample data summarized in the…

A: Claim : the amount of smoking is independent of seat belt use.

Q: find THE test statistics value  FOR  TWO TAILED TEST  SAMPLe sixe 26 and level of significance is…

A:

Q: Which of these sounds like a situation where you would want to use an Independent-Measures ANOVA?…

A: The independent-measures analysis is used in research situations for which there is a separate…

Q: 8. Toastmasters International cites a report by Gallop Poll that 40% of Americans fear public…

A: As per the guidelines we are allowed to solve maximum of 1 question. If you need help with another…

Q: Do sit down restaurant franchises and fast food franchises differ significantly in stock price?…

A: It is needed to check whether sit down restaurant franchises and fast food franchises differ…

Q: "About 25 percent of college According to the website www.collegedrinkingprevention.gov, students…

A: sample size(n)=56Mean(x)=3.94standard deviation(s)=3.43confidence level=90%

Q: aired sample t test can be used in an analysis involving pre-test and post-test data or in…

A: Solution-: Paired sample t test can be used in an analysis involving pre-test and post-test data or…

Q: Use 9 steps of hypothesis testing (indicate test to use). Is there any evidence that leadership…

A:

Q: A different I/O psychologist wants to know if there is a difference in worker evaluations depending…

A: Given Data: n1=15 n2=15

Q: Many people believe that criminals who plead guilty tend to get lighter sentences than those who are…

A: The null and alternative hypotheses are: H0: The sentence (sent to person or not sent to person) is…

Q: Race and Smoking 2013 Data collected in 2013 by the behavioral Risk Factor surveillance System…

A: From the given information: p⏞1=0.147p⏞2=0.188n1=112n2=1916c=90%=0.90

Q: Prof. Rollo Dise randomly assigns 100 participants to the two conditions (levels) of his experiment.…

A: Prof. Rollo Dise randomly assigns 100 participants to two conditions of his experiment.

Q: Historically, the percentage of U.S. residents who support stricter gun control laws has been 55%. A…

A: Given X=1723 n=2500

Q: A sample of 2010 adults were asked in 1990 whether they smoked (yes or no). This same sample was…

A: The appropriate test is chi-square test. Decision Rule: If test statistic is larger than critical…

Q: Historically, the percentage of U.S. residents who support stricter gun control laws has been 55%. A…

A: Given,sample size(n)=2500no.of people favor of stricter gun control laws(x)=1723

Q: What analysis should I use to test the following correlation between the following variables:…

A: The dependent variable is "Recognition of the event as bad". The dependent variable is dichotomous…

Q: A premed student wants to test the claim that the mean body temperature is less than 98.6 as is…

A: The sample mean and standard deviation are,

Q: Suppose 243 subjects are treated with a drug that is used to treat pain and 50 of them developed…

A: Given, The number of subjects treated with a drug that is used to treat pain is n=243 The number of…

Q: Question When conducting a post hoc analysis following an ANOVA, which test is commonly used to…

A: The question is about ANOVA.ANOVA :1 ) ANOVA is used to test the mean of more than 2 groups are…

Q: What is the P value?

A: We have given that  p0=39/(32+39)=0.5493 α=0.05

Q: A market researcher is trying to determine whether males differ from females with regard to the…

A: Chi-square test

Q: A study of seat belt users and nonusers yielded the randomly selected sample data summarized in the…

A: Solution: The observed frequency table is    0 1-14 15-34 35 and over  Row Total  Wear seat…

Q: Report a Chi-Square test of Independence and use a 5% significance level. Explain the potential…

A: Hypotheses: The two categories of interest are the “Treatment received” and “Recidivism rate”. The…

Q: Is the women’s slope significantly different from zero? Use a 1% significance level for your tests.…

A: The significant of slope of a simple linear regression line can be determined by the t test. The…

Q: Dependent-samples t-test. A researcher wants to examine if play therapy can be an effective…

A: (a) The null hypothesis is a simple statement about the value of the population parameter which is…

Q: An SEO specialist is studying how satisfied companies are with their websites' conversion rates. The…

A: Critical value: Here, the test is right tailed.

Q: Listed below are student evaluation of female professions and male professors. Use a 0.05…

A: The null and alternative hypotheses are: Here, µ1 is the mean evaluation ratings for female…