The Congressional Budget Office reports that 36% of federal civilian employees have a bachelor's degree or higher (The Wall Street Journal). A random sample of 116 employees in the private sector showed that 32 have a bachelor's degree or higher. Does this indicate that the percentage of employees holding bachelor's degrees or higher in the private sector is less than in the federal civilian sector? Use α = 0.05. (a) What is the level of significance? What is the value of the sample test statistic? (Round your answer to two decimal places.)

Q: A research report from an independent-measures study states that there are significant differences…

A: a)From the given information, the degrees of freedom treatment is 3.

Q: Cumulative Cumulative Cumulative Relative Percentage Phone Bill Frequency Frequency Frequency…

A: Given Table is : (i) From the given table, we have total frequency is 200. So, the number of people…

Q: o researchers, the mean length of imprisonment for motor-vehicle-theft offenders in a nation is 15.1…

A:

Q: You are conducting a study to see if the proportion of voters who prefer Candidate A is…

A: GIVEN data, conducting a study to see if the proportion of voters who prefer candidate A  is…

Q: What ero the null and alternative hypotheses? H, V versus H, (Type integers or decimals. Do not…

A: Given data number of success , x= 387.0 sample size, n = 1109 population…

Q: How to calculate the "P-value"  by hand?

A: To calculate the p-value, we first need to perform a linear regression analysis on the given data,…

Q: 6.- The day after Thanksgiving-called Black Friday–is one of the largest shopping days in the United…

A: A confidence interval (CI) is a type of estimate computed from the observed data. It gives a range…

Q: A survey recently reported that the mean national annual expenditure for inpatient and outpatient…

A: Given information Sample mean x̅ = $5,516 Population mean µ = $5,423 Sample size n = 352 Standard…

Q: According to a recent article about individuals who have credit cards, he mean number of cards per…

A:

Q: According to a survey conducted by the Association for Dressing and Sauces, 85% of American adults…

A: Given, P0 = 0.85 n= 200 x = 171

Q: The proportion of Americans who have frequent migraines is 15.2% according to the CDC. An…

A: (a) State the hypotheses.

Q: Farm-grown fish are becoming very popular in supermarkets because of their lower cost relative to…

A: Given information: P(Fail) =10%=10100=0.10

Q: Twenty years​ ago, 47​% of parents of children in high school felt it was a serious problem that…

A:

Q: Suppose that historically, the proportion of people who trade in their old car to a car dealer when…

A: Givensample size(n)=115No.of old cars(x)=46p^=xn=46115=0.40

Q: Do You Find Solitude Distressing? "For many people, being left alone with their thoughts is a most…

A: Here, the number of college students those who were asked to hand over their cell phones and sit…

Q: At the 0.05 level of​ significance, is there evidence of a difference in the proportion of males and…

A: For males, sample size n1 = 300, and proportion of males who make an impluse purchase is 62% = 0.62…

Q: A research report from an independent-measures study states that there are significant differences…

A: Given information- We have given a report from an independent- measures study. F(3, 48) = 2.95, p…

Q: n 1995 , the average duration of long-distance telephone calls originating in one town was 7.7…

A: Answer : This is a two tailed hypothesis.

Q: It has been claimed that at UCLA 43% of all students live on campus. Researcher Ebony Robinson…

A: Given X=112 n=250

Q: Data was collected on physical characteristics of Division I starting football players in the 1988…

A: Given,Population mean, μ = 105 kgSample mean, 103.3 kg

Q: A sample of 120 low-income individuals and a sample of 230 high-income individuals were surveyed…

A: Let:Population 1 = low-income individualsPopulation 2 = high-income individuals Formula for test…

Q: A child dying from an accidental poisoning is a terrible incident. Is it more likely that a male…

A:

Q: Please answer number 13.

A: It is given that 43% had no children, 18% are had one child, 18% are have two children, 21% have…

Q: Recent results suggest that children with ADHD tend to watch more TV than children who are not…

A: Given Information- Sample size, n = 36 Sample mean, x-bar = 4.9 hours Population mean, μ = 4.1…

Q: A research center claims that at least 23% of adults think their taxes will be audited.  A random…

A: Yes, there is a enough evidence to reject the claim Explanation:Step 1 : Formulate the hypothesis…

Q: The U.S. Department of Energy reported that 51.7% of homes were heated by natural gas. A random…

A: Given X=115 n=221

Q: A research report from an independent-measures study states that there are significatn differences…

A: Given information: F(2, 36)=3.45, p<0.05 That is, dftreatment=2dfError=36

Q: Investigators are trying to determine if the contamination of a town well led to significant…

A: Given Information: Before shut down of contaminated well: There were x1=16 birth defects among…

Q: Suppose that you were interested in investigating the effect of a drug that is to be used in the…

A: Paired test:A paired test or a dependent test statistical test that compares the averages or means…