What is the P70 of the group of male students whose heights in cm are as following: 64, 66, 68, 65, 64, 66, 66, 63, 61, 69

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A: From the provided information, Sample size (n) = 30 Sample mean (x̄) =24.1 Standard deviation (σ) =…

Q: Class LB 28-30 27.5-30.5 31-33 30.5-33.5 34-36 33.5-36.5 37-39 36.5-39.5 40-42 39.5 42.5 43-45…

A: We have given that,  Class LB frequency CF 28 - 30 27.5 - 30.5 8 8 31 - 33 30.5 - 33.5 8 16…

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Q: Consider random samples of size 100 drawn from population A with proportion 0.24 and random samples…

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Q: Variance - the measure of dispersion that accounts for the average squared deviation of each…

A: Formula for variance is ,  σ2=∑xi-x¯2N Where,  x¯ is sample mean x¯=∑ xiN

Q: Class LB 28 30 27.5-30.5 31-33 30.5-33.5 34-36 33.5-36.5 36.5-39.5 37-39 40-42 39.5-42.5 43 45…

A: (18) we have given that,  Class LB frequency CF 28 - 30 27.5 - 30.5 8 8 31 - 33 30.5 - 33.5 8…

Q: electrical resistors that have a mean resistance of 200.88 ohms and a standard deviation of 45 ohms,…

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Q: Consider the data displayed in the figure. Complete parts (a) and (b) below. Test Scores 580 Girls…

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Q: You estimated the following regression. What value would you predict for Y, if X = 82?

A: From the given output, Y-intercept a = 57.64894 And slope b = 11.0214

Q: . If a certain machine manufactures electrical resistors that have a mean resistance of 201.03 ohms…

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Q: You estimated the following regression. What value would you predict for Y, if X = 56? (Round your…

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Q: You estimated the following regression. What value would you predict for Y, if X = 76? (Round your…

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Q: Class LB 28 30 27.5-30.5 31-33 30.5-33.5 34-36 33.5-36,5 37-39 36.5-39.5 40-42 42 39.5-42.5 4345…

A: (17)  We have given that,  Class LB frequency CF 28 - 30 27.5 - 30.5 8 8 31 - 33 30.5 - 33.5…

Q: Historically, the mean systolic blood pressure (SBP) has been a rather high 139 units for adults in…

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Q: Find the variance and standard for the continuous random variables with density functions 2x for 0 ≤…

A: List of formulae : Variance : Var(x) = E(x2)-E(x)2 Where , E(X)=∫xxf(x)dx E(X2)=∫xx2f(x)dx Standard…

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Q: a. Construct the scatterplots for the following bivariate date, b. Identify the line direction of…

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Q: You estimated the following regression. What value would you predict for Y, if X = 74? (Round your…

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Q: USE THE T-DISTRIBUTION AND THE GIVEN SAMPLE RESULTS TO COMPLETE THE TEST OF THE GIVEN HYPOTHESE S.…

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Q: Problem 2 Three different washing solutions are being compared to study their effectiveness in…

A: Given information: Solution Days 1 2 3 4 1 13 22 18 39 2 16 24 17 44 3 5 4 1 22

Q: Team Conf Yds/Att Int/Att Win% Arizona Cardinals NFC 6.3 0.041 50.1 Atlanta Falcons NFC 7.0 0.021…

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Q: If E[X] = −3 and Var(X) = 5, then E[(5 + 6X)²] = and Var(3 + 5X) =

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Q: Which of the following p-values will lead us to reject the null hypothesis if the level of…

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Q: These temperatures were recorded in Pasadena, California for three weeks last April 87 85 80 78 83…

A: b Median: Number of observations: 21. That is, the number of observations is odd. Therefore, the…

Q: 18. Solve for Decile 9. Class LB 28 30 - 27.5-30.5 31-33 30.5-33.5 34 36 33.5-36.5 37-39 36.5-39.5…

A: (18)  We have given that,  Class LB frequency cf 28 - 30 27.5 - 30.5 8 8 31 - 33 30.5 - 33.5…

Q: Variables in the Equation S.E. Wald Step 0 Constant -.765 .107 50.764 1 .000 .465 X (1) Exp(B) =…

A: The value of eB=0.465. The value of B is 0.765. The value of eB is equal to ez and xy.

Q: According to the Central Limit Theorem, the distribution of sample means will be approximately…

A: Solution-: According to the CLT, the distribution of sample means will be approximately normal when…

Q: An experiment was performed in chemical engineering in order to investigate the conditions most…

A: From the given information, the multiple-regression model fitted to the data is, y = -130.7+ 0.134…