Imagine a researcher asks a sample of five people to drive two types of cars and rate each of them on a scale of 1 to 25. The researcher wants to know: Is there is a difference in the ratings of the two types of cars. Below are the data collected: Type A: 20, 10, 11, 23, 7 Type B: 10, 11, 4, 12, 1   Conduct a 2 sample T test using jamovi. Use α = .05. Is the assumption(s) met?  What do you conclude? Present your answer in APA.

Q: hen creating a 99% CI based on data from one sample the size of n=31, which t value should be used?

A: Given: n=31 The degree of freedom=n-1=31-1=30 The level of significance (α)=0.01 We see inside the…

Q: Find the standardized test statistic t for a sample with n = 10,  xbar= 12.7, s = 1.3, and α = 0.05…

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Q: Suppose I want to sample the household incomes for EBR parish. Het's say I start with a simple…

A: Central limit theorem: If the population follows normal distribution or the sample size is large…

Q: If I tested the glucose level of 200 patients, and had the following results:o with disease who…

A:

Q: A software company advertises that their latest antivirus program takes 150 seconds to install. An…

A:

Q: In a survey of 240 males ages 20 to 24, 35% were neither in school nor working. In a survey of 250…

A: To test the two sample proportion, the following formulae is to be used…

Q: Q1) The percentage of NON Defective production is 10%. If a sample of 5 lap tops randomly been drawn…

A: Let, X = number of defective laptops. p= probability of defective = (1-10%)=(1-.10)=0.9 n=5

Q: For three independent samples, with n = 100,150, and 200, the respective sample proportions are…

A: Sample 1 Sample 2 Sample 3 p 0,3 0,35 0,25 1-p 0,7 0,65 0,75 Total 100 150 200 Into no.…

Q: A. When circuit boards used in the manufacture of compact disc players are tested, the long run…

A: Provided information is; Let X be the number of defective boards in a sample of size n=25, so  X~…

Q: In a survey of 200 males ages 20 to 24, 37% were neither in school nor working. In a survey of 250…

A:

Q: 1-Var-Stats     x =79     Σ x=2291     Σx2 =182,361     Sx=7     σx=6.878251582…

A: It is given that the sample mean and standard deviation are 79 (=2,291/29) and 7.

Q: Given p = 0.2857 and N = 35 for the high income group. Test the claimthat the proportionof children…

A:

Q: (b) A chief practitioner in a certain maternity hospital claims that the average birth wcight of…

A: hypothesis  H0  : μ = 3.2H1  : μ ≠ 3.2 test statistic  t = x - μsn  , tn-1 at 0.05t…

Q: A simple random sample of 4 observations from a population containing 9 elements was taken, and the…

A: Point estimate of the population average age is: The general formula to obtain the mean of a random…

Q: The results of a study that used an independent samples t-test was t(28) = 2.14, p = .01. Based on…

A: t(28) means that degree of freedom  = 28 Now, degree of freedom for a t-test one sample case  = n-1.

Q: Oishi and Shigehiro (2010) report that people who move from home to home frequently as children tend…

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Q: Perform the Independent Samples T-Test in SPSS for the following data, and choose from the…

A: Given, A study is conducted to analyze the effect of caffeine on muscle metabolism. There are 22 men…

Q: The manufacturer of a popular soft drink claims that cans of this drink contain 12 ounces.  A…

A: Degree of freedom explains the number of attribute which are independent in the sample. It is…

Q: 3. For a population with µ = 40 and o = 8, what is the z-score corresponding to X = 34?

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Q: H FEMALE AND MALES = 2752.                FIND P HAT f AND P HAT m , THE SAMPLE PROPORTIONS WHO HAVE…

A: Given: n=2752 The results for males and female are shown in table.   Yes No Total Females 726…

Q: Suppose we have two samples based upon a large N, and in which there is no corrèlation between the…

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Q: If a researcher reported for a single-sample t-test that t(17) = 2.90, p<.02, how many subjects…

A: It is given that the test is single-sample t test and the degrees of freedom is 17.

Q: The marketing manager of a large multinational corporation is concerned that some salespersons…

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Q: How many subjects participated in an independent-samples t-test if a researcher reports, t (20) =…

A: Given information- We have given an independent-samples t-test. The value of test statistics is- t…

Q: The data summarized in the accompanying table is from a paper. Suppose that the data resulted from…

A: Solution: The observed frequency table is    Usually eat 3 meals per day  Rarely Eat 3 meals per…

Q: t(23) = 3.20, p = .01.

A: Given, t(23)=3.20 p=0.01

Q: A researcher is interested in differences among blondes, brunettes, and redheads in terms of…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: What is the P (t < -0.3) with a sample size of 13.

A: The sample size is, n = 13 The degree of freedom is, df= n-1   =13-1   =12

Q: If a researcher randomly assigns subjects in a taste-testing study to Group 1 (Coke) or to Group 2…

A: Solution according to the guidelines we solve  first question only

Q: According to the Official Stage Magician Handbook, magic rabbit weight (lbs.) is normally…

A: Normal distribution is a continuous distribution which has many real life applications. A standard…

Q: In testing Ho: H = 100 versus Ha: µ= 100 versus using a sample size of 325, the value of the test…

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Q: Consider a sample data set with the summary statistics s= 112, Q = 58, and Qu = 203. %3D a.…

A: It is given that QU=203 and QL=58.

Q: Given a result of t (30) = 1.55 for a one-tailed paired samples t-test, What is the sample size?

A: It is given that t(30) =1.55. That is, t(df) = 1.55 Df = 30

Q: for a bar chart , the  foll information is provided  sample size =5 . UCL  =18.7     LCL =12.30,…

A: We know that in quality control the probability of Type-I error is the probability of indication of…

Q: If a t-test dependent samples produced t(18) - 3.32, p < .01, 2-tails test, how many participants…

A: The type of test is two tailed test The value of t-test statistic for depend samples is, t = 3.32…

Q: Two independent samples are examined and the following are found: n1 = 20, M1 = 30, SS1 = 400, n2 =…

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Q: Alimula Company Ltd. wants to know if there is consistency in their operations.  They want to know…

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Q: 1. Suppose that the Environmental Protection Agency of a developed country performs extensive tests…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: interested in determining the most effective format for advertising. He randomly assigns 60 people…

A: The requirements/assumptions to execute ANOVA is as follows: The response variable must be…

Q: For each of the tests, what would be the conclusion if the test were carried out using the α = 0.05…

A: From the provided information, Sample size (n) = 36 Sample mean (x̄) = 117.0 Population standard…

Q: in which the conditions of the f the sample che study has ever been carrie pnd

A: (a and b), but not (c and d)

Q: A local home inspector wants to test for lead levels in 10 homes using two different testing methods…

A: t test for two independent sample with equal variance is the appropriate test to determine whether…

Q: The departure time of the 9:15 train from Kings Cross to Cambridge is claimed by the Service…

A: Note: As per the guidelines, in case of multiple questions, answer to first question will be…

Q: The data summarized in the accompanying table is from a paper. Suppose that the data resulted from…

A: In the given scenario, a survey was conducted to find the difference between the number of meals…

Q: 6. Each of 25 consumers is provided with a package containing two different brands of instant…

A: Population is the set of all objects of interest. Sample is s subset of the population. It is not…

Q: The sample correlation coefficient between X and Y is 0.375. It has been found out that the p-value…

A: Given : Sample correlation between X and Y = 0.375 p-value = 0.256 when testing  Ho: p = 0…

Q: An independent-measures experiment with three treatment conditions has a sample of n = 10 scores in…

A: An independent-measures experiment with three treatment conditions has a sample of n = 10 scores in…

Q: Given a t test for two dependent (i.e., matched) samples with n = 25, MD = 6, and sp = 8, what is…

A: 0.369

Q: The claim is that for a smartphone​ carrier's data speeds at​ airports, the mean is μ=11.00 Mbps.…

A: Consider that μ defines the population mean smartphone carrier’s data speed at airport.   Null…