A sample of eight math SAT scores is given below:   650,650,520,680,600,740,610,570   Find the first and third quartiles and the interquartile range for this sample. First Quartile =  Third Quartile =  Interquartile Range =

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A: Given Data: Significance level = 0.01 Critical value = 2.454

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Q: Part C, D and E please, Thank You! D) What is the null hypothesis? E) Reject the null hypothesis…

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Q: If P(A∩B)=0.21, and P(A|B)=0.3, then   P(B)

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A: We know that, Margin of error, E = 3% = 0.03 Confidence level = 98% = 0.98

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A: Given data is4.594,4.767,4.353,4.622,4.939,4.102,4.499,3.425,4.823,4.852,4.576,4.986sample…

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A: Given,  significance level (α) = 0.05 sample size (n) = 122 x = 19

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A: Given: n1 = 9 Children. X1 = 2.7 Hours. n2 = 9 Adults. X2 = 2 Hours. α = 1% = 0.01

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A: Solution: Given information: n= 10 Sample size  s2= 0.13 Sample variance σ2= 0.27 Population…