Evaluate the advantages and disadvantages of open ended questions included in a questionnaire.

Q: From a random sample of 120 students, 95 rated a case of plagiarism as unethical. Using this…

A:

Q: urce DF SS MS F Regression 1 1,250.0 1,250.00 24.00 Error 12 625.

A: Given that : Source DF SS MS F Regression 1 1,250.0 1,250.00 24.00 Error 12 625.0 52.08…

Q: A repeated-measures research design tends to have which of the following drawbacks? the possibility…

A: In repeated measures, order effects mean the order of the conditions has an effect on the…

Q: F(144) Generation Y has been defined as those individuals who were born between 1981 and 1991. A…

A: From the provided information, A 2010 survey by a credit counseling foundation found that 60​% of…

Q: clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older…

A:

Q: From a random sample of 120 students, 95 rated a case of plagiarism as unethical. Using this…

A: Confidence length = upper limit - lower limit

Q: Suppose Y₁,..., Yn are i.i.d. random variables with Y; ~ N(u, o). Express the following vector in…

A: It is given that Yi~Nμ,σ∀i=1,2,…,n. Thus, Y can be written as follows: Y=1nY1+Y2+⋯Yn

Q: Which of the following is the null hypothesis to test for second-order serial correlation?

A: suppose let, consider the AR(2) model: ut=ρ1ut-1+ρ2ut-2+et

Q: Problem 7 Let X be continuous random variable with density Suppose E(X)=1/2 1. Compute a and b. 2.…

A:

Q: 1a. write the hypotheses in symbolic form determine if the test is right tailed left tailed or two…

A: Here sample 1 consist of younger adults(20 to 29). x1: number of favorable cases in sample 1=205 n1:…

Q: QUESTION 6 hospital analyzed, for several randomly selected employees, the relationship between the…

A: Given: n=16SSxx=26.92SSyy=104SSxy=-50.40

Q: An engineer is going to redesign an ejection seat for an airplane. The seat was designed for pilots…

A: Given that mean 158lb and a standard deviation of 30.7lb  we have to find  A)pilot is randomly…

Q: The table below shows the number of state-registered automatic weapons and the murder rate for…

A: The question is about regression Given : To find : 1 ) Reg. eq 2 )   a ) How many murders per…

Q: Approximately 8% of people are left-handed. If two people are selected at random, what is the…

A: Given P(Left handed ) = 0.08 P(right handed) = 1-0.08 = 0.92

Q: A independent sample t-test with a df-15 resulte (Be sure to round answer to the second decimal pl

A: Given information: t=2.95 df=15

Q: What is the null and alternative hypothesis?

A: Test is that whether mean time for painting a medium-sized room without using the tool is greater…

Q: 3) A high school math teacher claims that students in her class will score highe ACT then students…

A: The ACT math scores of 44 colleague's students with mean is 19.7 and SD(standard deviation) is 3.2…

Q: You may need to use the appropriate technology to answer this question. Health insurance benefits…

A: a) It is needed to test whether health insurance coverage is independent of the size of the company.

Q: Find the (a) mean, (b) median, (c) mode, and (d) midrange for the data and then (e) answer the given…

A: Given data  1450,1950,1500,1950,1600,1400,1950,1850,1400,1650,1950,1200 To find  Mean  Median  Mode.…

Q: QUESTION 21 A clown uses a humor scale from 0 to 100, with an average score of 75 for the population…

A: Given that, A clown uses a humor scale from 0 to 100, with an average score of 75 for the population…

Q: For 50 randomly selected speed dates, attractiveness ratings by males of their female date partners…

A: The p-value is 0.050.

Q: ach of the digits in a raffle is thought to have the same chance of occurrence. The table shows the…

A:

Q: Listed below are systolic blood pressure measurements (in mm Hg) obtained from the same woman. Find…

A: The question is about regression Given : To find : 1 ) Reg. eq. 2 ) pred. value of blood press. in…

Q: Jerusalem Medical Ltd., an Israeli producer of portable kidney dialysis units and other medical…

A:

Q: he publisher of a sports magazine plans to offer new subscribers one of three gifts: a sweatshirt…

A: The categorical variable is gift. We have to test whether there is a preference for the gifts or…

Q: K Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A:

Q: A shipper has three options to send an expensive cargo worth $35,000 across the pacific and the…

A: Given that,  A shipper has three options to send an expensive cargo worth $35,000 across the pacific…

Q: f(x) for a continuous probability function is 1/18 , and the function is restricted to 2 ≤ x ≤ 20.…

A:

Q: An experimental design for a paired t test has 20 pairs of identical twins. How many degrees of…

A:

Q: 3.Given the following null and alternative H₁:0=0 H₁:0>o

A: Given: Sample 1 n1=15s12=5.5 Sample 2 n2=22s22=2.25α=0.1

Q: 8.90 Defensibility of a landscape. Settlers often chose sites to live and build communities in based…

A:

Q: Pennsylvania Refining Company is studying the relationship between the pump price of gasoline and…

A: From the provided information, Sample size (n) = 17 Correlation (r) = 0.51 Level of significance (α)…

Q: Consider the following contingency table. D E Question 6 A 60(50) 40(50) Find the test statistic x²…

A: Given that  Contingency table    A B C D 60 (50) 70 (70) 20 (30) E 40 (50) 70 (70) 40 (30)…

Q: The quality control specialists of a micro scope manufacturing company test the lens for every…

A:

Q: In a scholastic aptitude test, mean score for the three parts are: Critical reading           410…

A:

Q: A lawyer who specializes in drug violations and litigations estimates that she wins 75% of her cases…

A:

Q: Question: Which of the following is the best realtionship between two sets of quantitative A:…

A: From the given statistics plots, the best suitable plot to show the relationship between two…

Q: The weekly number of accidents on a highway was studied: Number of accidents Number of weeks 0 24 1…

A: Hypotheses: Null hypothesis: The number of accidents per week follows Poisson distribution with mean…

Q: Fill in the anova table   Source   SS   df   MS       F effect    500   2     ?          ? error…

A: Let K be the number of elements in effect N be the total number  Farmula used F=MSeffect/MSerror

Q: A data set about speed dating includes "like" ratings of male dates made by the female dates. The…

A:

Q: Find the probability given a test score greater than - 1.82 and draw a sketch of the region

A: It is given that  Mean, μ = 0 Standard deviation, σ = 1 Z-Score, Z = ( X - μ )/σ

Q: IQ scores are normally distributed with a mean of 100 and a standard deviation of 15, Use this…

A: Given that  Mean = 100 Standard deviation = 15

Q: You may need to use the appropriate appendix table or technology to answer this question. Annual…

A:

Q: The Bureau of Labor Statistics reported that 16% of U.S. non-farm workers a government employees. A…

A: Here, n = 65 and p = 0.16.

Q: If the mean of the normal distribution is 52 and the standard deviation is 72, what is the…

A: Let X denote the Normal distribution. It is given that mean = 52 and SD = 72, then Z = (X - mean)/SD…

Q: In a study of government financial aid for college students, it becomes necessary to estimate the…

A: Given that Margin of error = 0.02 ,Confidence level =0.95

Q: Report the test statistic. Round your answer to TWO decimal places.  You may use the observed…

A: It is given that  Favourable cases, x = 777 Sample size, n = 2101 Population proportion, p = 34.5% =…

Q: What is the critical value? What is the p-value?

A: T test are used to measure the mean significance between the sample and population. It used when the…

Q: QUESTION 13 "Compared to an independent-measures design, a repeated-measures study is more likely to…

A: Q(13) Hint: We need to know the difference between independent measure study and repeated measure…

Q: 9

A: Research article represent the result in APA format. APA for t test follow some steps to represent…