Below is a table that a sample of 100 people from a school and what type of car they drive and if they are student or staff. What is the p-value of the Chi- Square test for independence

Q: You ask 600 randomly selected working adults whether or not they are satisfied with their jobs. The…

A: It is needed to test whether gender of the working adults is independent of the job satisfaction.

Q: A software company is interested in improving customer satisfaction rate from the 69% currently…

A: Given Hypothesized pop. proportion, p0=0.69Favorable cases,x=146Sample size,n=193Sample…

Q: A marketing researcher measures 100 doctors’ reports of the number of their patients asking them…

A: Use the given information to determine the type of t-test in the given data. From the information,…

Q: What is the z-score corresponding to P15 three decimal places

A: z-distribution represents the standard normal distribution. Standard normal distribution has bell…

Q: If the 95% Cl for the variable "Party Identification" includes zero, this variable is statistically…

A: We have given the statement about the party identification

Q: A software company is interested in improving customer satisfaction rate from the 60% currently…

A:

Q: You conduct a survey to find out whether one person talking on a cell phone during a romantic date…

A: D)   Formula for Phi effect size:   From the given information,     No, it would not bother me…

Q: An education researcher claims that at most 3% of working college students are employed as teachers…

A: Solution: From the given information, p-hat=0.04 and n=200. The given claim is that at most 3% of…

Q: A reporter has claimed that the majority of Colleges in the United States are Private For-Profit…

A:

Q: An analysis was conducted to determine whether the average height of the 25 girls in the same class…

A: To test whether the average height of 25 girls is different from the general population of 15-year…

Q: A recent study claimed that at least 15% of junior high students are overweight. In a sample of 160…

A: Given information- Population proportion, p = 0.15 Sample size, n = 160 No. of success, x = 18…

Q: What is the Z score? X is 24, mean is 9.5137615, and standard dev is .4.2505221

A: Given Information: x = 24,  μ=9.5137615, σ=4.2505221 z-score is a standardized value that specifies…

Q: In a survey by Bea et al., it was found that 218 of 1,062 urban residents had a history of allergic…

A: Formula of test statistic : z = p^1 -p^2p(1-p)1n1-1n2 Where , p^1 and  p^2 are sample proportion. n1…

Q: A social worker reports that 30% of workers in a factory are below 15 years of age. Of the 120…

A: Given: x=38n=120α=0.05p=0.3

Q: What z-score value separates the highest 70% of the scores in a normal diatribution from the lowest…

A: Here we need to find a value z1 such that P(Z<z1)=0.7. Also Z ~ N(0,1).

Q: According to a government website, 42% of US citizens are Democrats, 34% are Republicans, and 24%…

A: It is needed to check whether the distribution of political party affiliation among its citizens…

Q: A software company is interested in improving customer satisfaction rate from the 61% currently…

A:

Q: A software company is interested in improving customer satisfaction rate from the 78% currently…

A: Givenp=78%=0.78x=108n=132p^=xn=108132=0.8182

Q: A software company is interested in improving customer satisfaction rate from the 61% currently…

A: Given data A software company is interested in improving customer satisfaction rate from 61%…

Q: reporter has claimed that the majority of Colleges in the United States are Private For-Profit…

A:

Q: A software company is interested in improving customer satisfaction rate from the 74% currently…

A: Z-Test:  Here the hypothesis test is for the population proportion. The test statistics compared…

Q: Give the degrees of freedom for the chi-square test based on the two-way table.

A:

Q: The president of a local college reported that more than 25% of the students received a…

A: Solution: State the hypotheses Null hypothesis: That is, proportion of the students have…

Q: According to a government website, 42% of US citizens are Democrats, 34% are Republicans, and 24%…

A: It is needed to test whether the distribution of political party affiliation among its citizens…

Q: A software company is interested in improving customer satisfaction rate from the 55% currently…

A:

Q: The police department wanted to know if 911 calls came in more often on some days of the weekend.…

A: State the hypotheses. The hypotheses are stated below:   Obtain the expected frequencies. The…

Q: For a two-tailed test with α = 0.05, the  value is what?

A: We have given that,  Significance level (α) = 0.05 Then,  We will find the critical value for…

Q: A software company is interested in improving customer satisfaction rate from the 77% currently…

A: Solution: Given data p = 0.77 sample size (n) = 248 x = 202 Sample Proportion is given  by; (p̂) =…

Q: A software company is interested in improving customer satisfaction rate from the 75% currently…

A:

Q: What is the protected t test?

A:

Q: A software company is interested in improving customer satisfaction rate from the 66% currently…

A: From the provided information, A software company is interested in improving customer satisfaction…

Q: What is the power of this test?

A: Let X denote the weights of donuts. Decision rule : Reject the null hypothesis if the donut weights…

Q: Where does the Tukey’s HSD test can be used?

A:

Q: A software company is interested in improving customer satisfaction rate from the 76% currently…

A: It is given that, A software company is interested in improving the customer satisfaction rate from…

Q: A software company is interested in improving customer satisfaction rate from the 55% currently…

A: The following information is provided: The sample size is N=247N = 247, the number of favorable…

Q: In a sample of 202 men, 77 said they used seat belts. In a sample of 311 women, 84 said they used…

A:

Q: A survey in Newsweek in 1999 asked 747 randomly selected women “how satisfied are you with your…

A: Number of women = 747 Number of responses  = 4 Number of age group considered = 4 Chi square…

Q: A random sample of 1067 teenagers (ages 12 to 17) were asked whether they played games online; 787…

A:

Q: A software company is interested in improving customer satisfaction rate from the 75% currently…

A: From the given information, Consider, x be the random variable that shows the customer satisfaction…

Q: What is the n-value for this test?

A: We have given that the result output by the MINITAB. The Chi-Square statistic is 7.507306. The…

Q: A software company is interested in improving customer satisfaction rate from the 53% currently…

A: Statistical tests are used to calculate the test statistic and p-value. This test statistic and…

Q: A software company is interested in improving customer satisfaction rate from the 61% currently…

A: Given,sample size(n)=107no.of customers were satisfied (X)=73population proportion(P)=0.61

Q: An article published in the Washington Post claims that 45 percent of all Americans have brown eyes.…

A:

Q: 13% of all Americans suffer from sleep apnea. A researcher suspects that a lower percentage of those…

A: Since we only answer up to three sub-parts, I will answer the first three sub part. Please resubmit…

Q: What is t critical for a study that contains 9 participants in one group and 11 is another group?…

A: Solution-: Given: We want to find critical values for situation

Q: Out of 300 students in the school, 225 passed an exam. You take a sample of 10 of these students.…

A: Given ,total students n=300                       x=225…

Q: A researcher claims that 89% of people sleep with a pillow.  In a random sample of 1000 people, 825…

A: The null and alternative hypothesis is given by; H0: p=0.89Ha: p≠0.89The given level of significance…

Q: For the chi-square test of independence, Provide a hypothetical formulation of test of independence.

A: