Question 14: Control limits for c chart if a standard value of c is not available: LCL =7 - 3,ē, CL =ē, UCL=7+3ā LCL =c - 3E, CL =c, UCL=c+3c LCL =ē - d2vē, CL=7, UCL=ē+ dz vē LCL =c - D3Nc, CL =c, UCL=c+D,Je a) b) c) d)

A study reports data on the effects of the drug tamoxifen on change in the level of cortisol-binding globulin (CBG) of patients during treatment. With age = x and ACBG = y, summary values are n = 26, Ex; = 1620, 2(x₁ - x)² = 3756.96, y₁ = 281.9, (y₁ - y)² = 465.34, and Ex,y; = 16,733. (a) Compute a 90% CI for the true correlation coefficient p. (Round your answers to four decimal places.) (b) Test Ho: p = -0.5 versus H₂: P < -0.5 at level 0.05. Calculate the test statistic and determine the P-value. (Round your test statistic to two decimal places and your P-value to four decimal places.) P-value = State the conclusion in the problem context. O Reject Ho. There is no evidence that p < -0.5. O Fail to reject Ho. There is evidence that p < -0.5. O Reject Ho. There is evidence that p < -0.5. O Fail to reject Ho. There is no evidence that p < -0.5. (c) In a regression analysis of y on x, what proportion of variation in change of cortisol-binding globulin level could be explained by…

Q4: The following data reflect the number of defects produced on an assembly line at the Dearfield Electronics Company for the past 8 days. 3 0 2 0 1 3 5 2 5 1 3 0 0 1 3 3 4 3 1 8 4 2 4 0 a. Determine if there is a mode number of defects and, if so, indicate the mode value.

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