Your medical research team is investigating the mean cost of a 30-day supply of a certain heart medication. A pharmaceutical company thinks that the mean cost is less than $53. You want to support this claim. How would you write the null and alternative hypotheses? Ho I Ha www

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Q: Why not just compute t-tests among all pairs of means instead computing an analysis of variance?

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Q: SU bes and Car Data Weight Highway Fuel Consumption 36 38 41 33 42 31 40 2844 3109 2870 3095 2915…

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Q: Ermias and Trinidad began arguing about who did better on their tests, but they couldn't decide who…

A: given data Ermias  :   μ1 = 76.7     σ1  = 10.5       x1 = 76.5Trinidad  :   μ2 = 64.5     σ2  = 8.1…

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A: Given n1=5 n2=10 Alpha=0.05

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Q: Example 2.9 Suppose that a particular trait of a person (such as eye color or left handedness) is…

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Q: CNNBC recently reported that the mean annual cost of auto insurance is 1026 dollars. Assume the…

A: Given,sample size(n)=38mean(μ)=1026standard deviation(σ)=298

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A: Given: n = 5 Formula Used: Slope b1 = n∑XY-∑X∑Yn∑X2-∑X2 Intercept b0 = ∑Y-b1∑Xn

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A: GivenMean(x)=175standard deviation(σ)=53.3sample size(n)=78confidence level=90%

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A: Given,sample size(n)=25mean(μ)=205.5standard deviation(σ)=8.3

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Q: The null and alternative hypothesis would be: Ho:μ = 0.8 Ho:p = 0.8 Ho:p = 0.8 Ho:p = 0.8 Ho:μ = 0.8…

A: given data clim : p &lt;0.80n = 500x = 370α = 0.10

Q: X; Y₁ Use Sy* = 1 2 3 4 7 + لیا Jse Spred = S√ 1 + 4 6 11 15 (x*- x)² Σ(x, − x)2 n 5 Use ŷ* ± ta/25*…

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Q: M1= 37 SS1=360 n1=11 M2= 43 SS2=576 n2=10 Assume two failed test and alpha= .05 What is the critical…

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Q: Which pair of events are independent? P(A)=0.55, P(B) =0.65 or p(A&B) = 0.35?

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Q: Suppose you are given the Ho: p=1.75 da: p=1.75 5% confidence interval is 1.80 μ< 1.90. ch of the…

A: Solution: To test the hypothesis  Ho:μ=1.75   Vs   Ha:μ≠1.75

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Q: M1= 37 SS1=360 n1=11 M2= 43 SS2=576 n2=10 Assume two failed test and alpha= .05 What is the t value?

A: We have given that M1= 37, SS1= 360, n1=11, M2 = 43, SS2 = 576 n2=10

Q: Jerry and George are writing a pilot for a sitcom. They estimate they have a 90% chance of the show…

A: Expected value of X is given by,  E(X)= ∑Xi*P(Xi)  P(Xi) Xi 0.25 20 0.70 100 0.05 500

Q: following output. Source | SS df MS Number of obs = 403…

A: From the above output Which of the following is the estimated regression line Y=17.86443+42.71867X

Q: 9. Represent the following data by volume diagram. Category Under graduate Post graduate…

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