A test is conducted for Ho: μ = 20, with o = 4. A sample of size 36 has X = 21.4. The test statistic is O 0.35 O 2.1 O 12.6 O 5.2 O 8.9

Q: I do a Bonferroni correction and I want to make a four tests, I assume a .05 level of signifance to…

A: Bonferroni correction= level of sig.number of tests

Q: A random sample of n = 25 individuals is selected from a population with u = 20, and a treatment is…

A: given random sample n=25 population mean μ=20 sample mean M=22.2 (a) difference between the mean for…

Q: Listed below are body temperatures from five different subjects measured at 8 AM and again at 12 AM.…

A: Listed below are body temperatures from five different subjects measured at 8 AM and again at 12 AM.…

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

A:

Q: A chi-square test for homogeneity is conducted on three populations and one categorical variable…

A: Step 1:A chi-square test for homogeneity is conducted on three populations and one categorical…

Q: A variable contains five categories. It is expected that data are uniformly distributed across these…

A: The observed frequencies are given as follows:CategoriesObserved frequencies127230329421524It is…

Q: A sample of 52 obsorvation is drawn from a population with standard deviation 60. Find C so that the…

A: Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: First Convert the following values into Z-scores. Then identify the proportion and probability in…

A: a) Given data

Q: uency. ected at random from the Martian army to train for special undercover hean height of this…

A: Given :Mean :Standard deviation (s): 5.5

Q: The process of drawing conclusions about a population on the basis of measurements or observations…

A: Solution: The given statement is “The process of drawing conclusions about a population on the basis…

Q: Find the standardized test statistic t for a sample with n=​20, x=7.7​, s=​2.0, and α=0.05 if H1: μ…

A:

Q: The mean and the variance of a sample of size 16 from normal population are 32 and 9, respectively.…

A:

Q: 1) Review the paired samples t test equation below and answer the questions: d d "//√T = S 1a. What…

A: Note:- "Since you have posted multiple questions, we will provide the solution only to the first…

Q: ) For distribution A, M = 20 and SD = 7. For distribution B, the M = 23 and SD = 2. In which…

A: GivenFor distribution A Mean(M)=20standard deviation(SD) = 7For distribution BMean(M)=23stdandard…

Q: the calculated value for your chai square cross tabulation comes in at 9.888. the test has 4° of…

A: From the given information, the chi-square calculated value is 9.888.

Q: Suppose that for a sample size of n = 9, we have ; = 93 and ? = 1700. Calculate the sample standard…

A: Standard deviation is given by, s=√E(x2)-(E(X))2 E(X)= (summation Xi)/n And E(x2)= (summation Xi2)/n…

Q: If we want to test H;: o² #7.2 by taking a sample of size 87 and standard deviation 8.9 then…

A:

Q: Find the standardized test statistic t for a sample with n= 12, x = 11.2, s= 2.2, and a= 0.01 if Ho:…

A: Given data, x=11.2 s=2.2 n=12 Mu=10   test -statistic =?

Q: A sampling distribution of the means of all possible samples of size 200 is formed. The population…

A:

Q: The probability density function of the discrete random variable x; x = 1,2,3,4 f (x) 10' dd(other…

A: As per our guidelines we are suppose to answer first question.

Q: Find the test statistic to for a sample with n=12, x=25.2, s=2.2, and α = 0.01 if Ho: μ=24. Round…

A:

Q: For a test of Ho: p=0.50, the sample proportion is 0.37 based on a sample size of 100. Use this…

A: GIVEN DATA,n=100p^ =0.37hypothisis :-H0:p=0.50

Q: Determine the sample size required to achieve power = .93, assuming Ho = 12, o = 8, and H: H1 – Ho >…

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Q: Consider a random sample of (X, Y.), with a sample size of n. How will the following estimators…

A: Consider a random sample of (X, Y), with a sample size of n. How will the following  changes…

Q: Given a normal distribution with a u 48 and o 4 find the z-score that corresponds to each x value…

A:

Q: normal population with µ = 75 and σ = 10. A sample of at least which size needs to be obtained in…

A: Given data: A normal population has mean and standard deviation as: μ=75σ=10 Let a sample of size n…

Q: Is the number of children that a college student currently has independent of the type of college or…

A: The data shows the type of college or university and number of children.

Q: For a simple random sample, n = 200 and p = 0.34. At the 0.01 level , test Ho: π = 0.40 versus H1: π…

A:

Q: Suppose the following information is identified: * = 79.1 n = 80 o = 5.37 a.) What parameter could…

A: Given: x¯=79.1n=80σ=5.37

Q: A random sample of 72 households was selected for a phone survey. The key question asked was, "Do…

A: Given Data sample size,n= 72 probability of success,p= 0.75 probability of…

Q: Given 4 = 310, determine the probability of a Type II error for the following test of hypothesis: Но…

A: Obtain the probability of type II error. The probability of type II error is obtained below as…

Q: Determine and o; from the given parameters of the population and sample size. µ= 48, o = 25, n = 39…

A:

Q: 1. Rolling of dice can have 6 different outcomes. A teacher rolled the dice 50 times and attained…

A: Given that  Rolling of dice have 6 different outcomes  That are :  7  (ones) , 10( twos), 8(threes),…

Q: Consider a normal population with u = 46 and O = 4.5. Calculate the z-score for an x of 46.2 from a…

A: From the provided information, Population mean (µ) = 46 Standard deviation (σ) = 4.5 X~N (46, 4.5)

Q: 09:52 4G 180% o © O Lite ital.kemu.ac.ke O paptr.TICIT ti aliSiti LITE answer you obtain, to the…

A:

Q: Suppose you want to test the claim that μ ≤ 25.6.  Given a sample size of n = 53 and sample mean of…

A: Solution: State the hypotheses. Null hypothesis: H0:µ≤25.6 Alternative hypothesis: H1:µ>25.6

Q: A random sample of 20 nominally measured of the length of a plastic ball is taken and the lengths…

A: Given data:  2.02, 1.94, 2.09, 1.95, 1.98, 2.00, 2.03, 2.04, 2.08, 2.07, 1.99, 1.96, 1.99, 1.95,…

Q: Question 49: The result of paired difference test is d = 5.6, s = 3.82 and n=13. Find the paired t-…

A:

Q: sample of n = 16 scores is obtained from a population with μ = 50 and σ = 16. If the sample mean is…

A: From provided information, sample of 16 observations is considered. Sample is obtained from normal…

Q: Consider a normal population with u = 42 and o = 4.7. Calculate the z-score for an x of 48.6 from a…

A: Reviewing information, Given,μ=42σ=4.7X¯=48.6n=29

Q: The duration (in minutes) for a sample of 20 flight-reservation telephone calls is shown in the…

A: We assume the population has a normal distribution.

Q: The length of human pregnancies from conception to birth varies according to a distribution that is…

A: Let X be the length of human pregnancies. We have given the length of human pregnancies from…

Q: Find the standardized test statistic t for a sample with n= 15, x = 6, s = 0.8, and x = 0.05 if Ho:…

A: given data n = 15x¯ =6s = 0.8α = 0.05claim : μ ≤ 5.7hypothesis : H0 : μ ≤5.7H1 : μ > 5.7test…

Q: 9 2 4 3 1 4 8 3

A: Given: outcome Frequency 1 9 2 4 3 1 4 8 5 3 6 0

Q: 2. What percentage of the area under a normal curve lies: a. between u b. between u-3o and u+20? c.…

A: We know that, Z Score= (X-mu)/sigma  P(mu<X<mu+2*sigma)=…