Suppose we wish to test H, :µ< 47 versus H : µ> 47. What will be the result if we conclude that the mean is greater than 47 when its true value is really 52? O We have made a Type I error. O We have made a Type Il error. O We have made a correct decision. O None of the above is correct.

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Q: 9. A population has a mean of M= 4 and EX= 48. How many scores are in this population?

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Q: In a population with o = 6, a score of X = 48 corresponds to z = 1.25. The mean for this population…

A: From the provided information, Standard deviation (σ) = 6 Z value = 1.25 And X = 48

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Q: Let u denote the actual population mean amount of mercury in tuna per ounce. The hypotheses for this…

A: Given : μ = 10.13 σ = 2.03

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Q: 4. For a population with u= 100 and o = 20, what is the X value corresponding to z=- 0.75?

A: GivenMean(μ)=100standard deviation(σ)=20z=-0.75

Q: What are the degrees of freedom? (choose from below) 49 47 45 48     -  What is the correct…

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Q: A sample of n = 81 from a population of u = 80 and o = 18 has a mean M = 81. What is the z-score for…

A: Solution-: Given: n=81,μ=80,σ=18,M=18 We find the z-score for the sample means?

Q: 8 F. b| 13 ョ|^,黑, I Normal T Aa A AaBbCcI AaBbCcI AABBCCD AaB AaBbCcI I No Spac... Heading 2…

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Q: Ex:- let S2 be the variance of ar.s of size six from N(u,12) find Pr(2.30 < S² < 22.2)

A: Given: Sample size n=6 σ2=12 We have to find P2.30&lt;S2&lt;22.2 First we must change the…

Q: If the t value falls within the Cl. What are we going to do with the null hypothesis? * Reject O…

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Q: ersons having Raynaud's syndrome are apt to suffer a sudden impairment of blood circulation in…

A: For sample 1, m = 9 , x1=0.61 , σ1=0.3 For sample 2,  n = 9 , x2=2.09 , σ2=0.5 Now, we want to test,…

Q: the null and alternative hypothesis are given.   h0:  p= 0.84 h1:   pgreater than .84 determine…

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Q: A population of N = 6 scores has EX 48. What is the population mean? %3D O 12 48 288

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Q: People having Raynauds syndrome are apt to suffer a sudden impairment of blood circulation in…

A: Given : m =12 ,  n = 12         Test the hypothesis at  α = 0.01 , H0: µ1 − µ2 = 0 versus Ha: µ1 −…

Q: Q2. The two stuclentsl X and Y following the scores made in by are an examinaMoy 50 45 90 18 28 29…

A: X Y (x-xbar)^2 (y-ybar)^2 28 52 522.449 111.7551 29 18 477.7347 1986.612 45 95 34.30612…

Q: Consider the following Al ible. Source S d.f. MS V.R. 2.824 115.7527 14.0714 Treatments 231.5054…

A: a) From the given output, The design was two way ANOVA, since the source of variation is given by…

Q: 40. A population with a mean of u=9 has EX = 72. How many scores are in the population? (SHOW

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Q: For the relation 3Y= 12 -6 X between X and Y; if standard deviation of X, oz 10 and mean of Y…

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Q: (a) If the sum of the deviations of the numbers X1, X2, X3, ....., Xn from their mean, X, is zero.…

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Q: Persons having Raynaud's syndrome are apt to suffer a sudden impairment of blood circulation in…

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Q: In a population with o= 4, a score of X= 48 corresponds to z = 1.50. The mean for this population is…

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Q: Given that x = 36, n = 42, and o = 4, then we can be 95% confident that the true mean,u, lies…

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Q: A sample of n = 25 scores has a mean of M = 68. Find the z-score for the sample: If it was obtained…

A: Given that, M=68,μ=60,σ=10,n=25 The z-score for the sample is, Hence, the z-score for the sample…

Q: A reasearch study comparing three treatments with n=5 in each treatment  produces T1= 5, T2= 10,…

A: Consider,

Q: gn to encourage m I has a chance to

A: a) p(100 coins)=0.1×0.2×0.1×0.1p(100 coins)=0.0002p(80 coins)=0.2×0.2×0.3×0.3p(80 coins)=0.0036p(20…

Q: For item d, use the decision below as your reference. The null hypothesis was not rejected, and it…

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Q: 4. From the data given below, find the number of items. Er = 90 r = (0.5 Exy = 120 Oy = 8 %3D %3D…

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Q: If a sample of n=5 scores has EX= 10 and EX² = 100, then SS= 80. %3D True False Question 41 In a…

A: (a) Given : Sample size = n = 5 , ∑X=10    &amp;     ∑X2=100 Formula for Sum of Squares :…

Q: Ttet below are the lead cancentrations in pgg measured in different traditional medicines Use a 0.01…

A: One sample t-test: One sample t-test is used to test the significance difference between population…

Q: (a) If the sum of the deviations of the numbers X1, X2,X3, .....,Xn from their mean, , is zero. That…

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Q: A new treatment has been developed for a certain type of cement. Tô test the null hypothesis that u…

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Q: 3. Suppose that E(X) = E(X2) = E(X2) = µ, Var(X) = 7, Var(X2) = 13, and Var(X3) = 20. %3D %3D %3D…

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Q: E(E E(Ytj – Ý;,)?) = (nr – r)o² 2 (nT – r)o?

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Q: A sample of n= 11 U.S. males, age 18-24 years, are measured for height and weight. Let x der the…

A: Solution: Given information: n= 11 observation ∑x= 761∑y=1761∑x2= 52729∑y2= 286273∑xy= 122234Sxx=…

Q: For a population with µ = 80 and o = 10, what is the z-score corresponding toX = 95? %3D а. +0.50…

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Q: The variable X, is the carbon monoxide concentration in air, and ten measurements are obtained as…

A: Let (xi; i=1,2,...,n) be the random sample of size n from the normal population with mean μ and…

Q: For testing H,: M,=0 V.S H;: Ma>O at level of significant 0.01 and n=16, d =5, S,=2, the T* is 10 O…

A: We have given that , n=16 , Sd=2, dbar = 5 , We have to find T= ?

Q: Suppose we do not find enough evidence against the H0 below. Write the appropriate step C. N. H0:…

A: Suppose we do not find enough evidence against theH0 below. Write the appropriate step C.N. H0: μ =…