b) The data in table 4b below gives the number of nonconforming bearings andseal assemblies in a sample size of 100.Sample No.NonconformingAssembliesi.iii.1 2 3 4 5 66523787 8 9 10 11 12 13 14 15 16 17 18 19 2010 5 3 7 6 16 0981415710Table 4bCalculate the UCL and LCL for this dataPlot a fraction non-conforming control chart for the data.If any points plot outside of the control limits, assume that assignablecauses can be found and determine the revised control limits.

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Answered: b) The data in table 4b below gives the…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

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35. Statistics students in Oxnard College sampled 10 textbooks in the Condor bookstore and recorded the number of pages in each textbook and its cost. The bivariate data are shown below: Number of Pages (xx) Cost(yy) 757 134.55 538 106.7 782 142.3 461 83.15 597 116.55 372 74.8 328 75.2 480 92 978 154.7 261 58.15 A student calculates a linear modely = x + . (Please show your answers to two decimal places)Use the model to estimate the cost when number of pages is 849.Cost =$ (Please show your answer to 2 decimal places.)
5:23 Pulse = 101 of ... 3.00-3.79 3.80-4.59 4.60-5.39 5.40-6.19 6.20-6.99 Pulse > 11 5 3 0 1 Chosen classes can vary. Aa 34. Twenty-nine executives reported the number of telephone calls made during a randomly selected week as shown here. Construct a stem and leaf plot for the data and analyze the results. 22 14 12 14 12 9 54 9 54 12 16 12 12 14 49 10 14 8 21 37 28 36 22 9 33 58 31 41 19 3 18 25 28 52 35. The National Insurance Crime Bureau reported that these data represent the number of 51 G
1. Sample question: Calculate an independent samples t test for the following data sets: Data set A: 1,2,2,3,3,4,4,5,5,6 Data set B: 1,2,4,5,5,5,6,6,7,9 2. Using the following data perform a significance test to compare the means of strains A and B and comment on the results obtained. Strain A: Ex = 281 mn, n=10, Ex'= 8854.0 Σ= 9482.0 Strain B: Ex=272 mn, n= 8, 3. With the help a suitable test find out the significant differences between two samples. Number of organisms/culture: Sample 1 Sample 2 45 127 86 56 77 49 106 74 61 98 92 45 68 33 88 61 4. Paired t-test with following data Subject # Score 1 Score 2 3 20 2 3 13 3 3 13 4 12 20 15 29 16 32 7 17 23 8 19 20 9 23 25 10 24 15 11 32 30
Explain in case of systematic sampling. (c) Given below are the potato productions (in Metric Ton) of a firm. Week 1 3 4 5 6 7 8 9 9 10 11 PP 8 10 11 8 12 10 7 9 12 Week 16 18 19 20 21 14 10 9 10 2 9 17 12 11 9 22 11 12 13 14 15 9 9 10 11 PP Find the systematic sampling of size 7. Estimate mean yield per day and variance yield. Make comments from your findings. 3. (a) Define non-probability sampling and why it is said to be non-probability sampling
1. Interpret the data which has been presented in thr below Table 1 and Table 2.
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Data for gas mileage (in mpg) for different vehicles was entered into a software package and part of the ANOVA table is shown below: Source DF SS MS Vehicle 2 440 220.00 Error 17 318 18.71 Total 19 758 Determine the p-value for the data. a) 0.0052 b) 0.8994 c) 0.0006 d) 0.0021 e) 0.0236 f) None of the above
4) A psychiatrist has developed a measurement instrument for the mental state of patients. The test is on a scale of 0-100 (with higher scores meaning the patient is suffering from a higher level of mental duress). She randomly selects a group of individuals to take part in a study using this measurement instrument, and she develops a stem-and-leaf plot of her data as follows: 0 6 11178 2 3 0017899 42 5 67788999 6 7114444499 8 889 9 01 Based on the stem-and-leaf plot, answer the following questions: a. What is the mean, median and mode? b. Mean: 55.08571, median:58, mode:74 c. What is the range, variance and standard deviation? Range: 85, variance 635.4336, standard deviation: 25.20781 d. What is the 25th percentile? What is the interpretation of this value? e. What is the 75th percentile? What is the interpretation of this value? f. What is the interquartile range (IQR)? g. What is the z-score for a patient that scores 88? What is the interpretation of this z score?
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