Problem 13-7 (Algo)Ten samples of 15 parts each were taken from an ongoing process to establish a p-chart for control. The samples and the number ofdefectives in each are shown in the following table.SAMPLE n1151515234567891815151515151515pSpUCLLCLNUMBER OFDEFECTIVE ITEMSIN THE SAMPLE2282132132a. Determine the p, Sp, UCL and LCL for a p-chart of 95 percent confidence (1.96 standard deviations). (Leave no cells blank. Roundup any negative LCL value to "O". Round your answers to 3 decimal places.)b. What comments can you make about the process?Process is out of statistical controlO Process is in statistical control

Statistical Process control: SPC is a method for monitoring the production process while measuring…

Answered: Ten samples of 15 parts each were taken…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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3. Exercise 15.38. Cooking vegetables in different pots. Let's first concentrate on the 12 observations for the vegetable dish. Does the vegetable dish vary in iron content when cooked in aluminum, clay, and iron pots? Pot Rep Dish Aluminum 1 Aluminum 2 Aluminum 3 Aluminum 4 1 Clay Clay Clay Clay Iron Iron Iron Iron 3 4 Iron content vegetable 1.03 vegetable 1.53 vegetable 1.07 vegetable 1.30 vegetable 1.55 vegetable 0.79 vegetable 1.68 vegetable 3.52 vegetable 2.45 vegetable 2.99 vegetable 2.80 vegetable 2.92 (a) Check the conditions for one-way ANOVA. Which requirements are a bit dubious in this setting? (b) Instead of using ANOVA, using a nonparametric method. Summarize your conclusions about the effect of pot material on the iron content of the vegetable dish.
c. Five-Number Summary d. Distribution characteristics (positively or negatively skewed)
3. A researcher samples 5 colony of Species of K and 5 colonies of Species L, measures their sizes as: Species K Species L 4.7 5.3 5.2 4.6 6.1 4.1 5.8 4.8 5.2 4.2 а. Test if mean colony size of Species K and Species L are different from each other? Report a p-value. (You mav need to do an additional test to decide which test to apply for comparing the means) b. What is the power of the test in part a? С. The researcher would like to design a new experiment which will allow a two tailed hypothesis test with significance 0.05 and power 0.90. What should be the sample sizes nk and ni for Species K and Species L (use k = 1). %3D
4.4. PLEASE PROVIDE HANDWRITTEN SOLUTIONS.
10. The most common species of sweat bees are green, red, and yellow. For each color, we select a sample of 100 of bees of this color and record their length (in inches). We then create 3 data sets of 100 observations each, called "green", "red" and “yellow". Below are the boxplots and histograms for these data sets. The labels of the variables are missing from the histograms, but are included in the boxplots. Our task is to identify the missing labels. Which one of the following statements is correct? (a) green (b) red (c) yellow 0.0 0.5 1.0 1.5 2.0 0.0 0.5 1.0 1.5 2.0 0.0 0.5 1.0 1.5 2.0 (d) (e) (f) A) Histogram (d) is for green, (e) is for red, and (f) is for yellow. B) Histogram (f) is for green, (e) is for red, and (d) is for yellow. C) Histogram (e) is for green, (f) is for red, and (d) is for yellow. D) Histogram (f) is for green, (d) is for red, and (e) is for yellow. E) Histogram (d) is for green, (f) is for red, and (e) is for yellow. Frequency O'Z 02 4 Frequency OL Frequency…
5. Two different analytical tests are used to determine the impurity level in steel alloys. Ten specimens are tested using both procedures, and results are tabulated as follows: Specimen Test 1 1.3 Test 2 1.5 1.4 1.2 1.2 1.3 1.8 1.6 1.5 1.3 6. 1.7 1.4 1.8 1.4 1.4 1.3 1.3 1.6 10 1.5 1.7 Assume the impurity levels are normally distributed, construct a 95% confidence interval for the ratio of variances of impurity levels measured using the two different analytical tests. ii. Based on your answer in part (a), are you 95% confident that the variances of impurity levels are different when measured using different analytical tests? Verify your answer. 1234 n0709
The Department of Statistics Malaysia (DOSM) conducted another study on the monthly grossincome (in RM) in Malaysia for 2017. Another four states are selected and the data obtained areshown in Table 2. The Boxplot of the data is given in Figure 1
The fill size for a small bag of peanuts distributed by a popular airline is 50 grams. The producer wishes to set up a set of control charts for this process and collects the data shown in the table. Item #1 Sample 1 54.5 2 50.6 3 51.1 4 52.7 5 51.7 6 51.1 7 54.0 8 53.2 9 51.9 What is the sample size? a. 4 Ob.9 c. 13 d. 45 Item #2 54.3 53.5 54.3 52.1 51.2 51.5 52.3 50.4 50.2 Item #3 53.8 53.2 50.4 51.3 54.7 54.7 54.7 53.4 50.2 Item #4 50.4 54.9 50.7 51.0 54.3 50.4 51.4 51.4 52.9
11)
a.1. Using the ANOVA table, solve for the Tukey's computed value only. a.2. Using the ANOVA table, solve for the Duncan's computed value when p is 5 only. Anova: Single Factor SUMMARY Groups Count Sum Variance Average 64.25 Depletion 4 257 422.25 Modified Hess 4 222 55.5 347.666667 Surber 4 97 24.25 152.916667 Substrate Removal Kicknet 4 106 26.5 145 Kicknet 4 50 12.5 17.6666667 ANOVA Source of Variation SS df MS P-value F crit Between Groups 7828.3 1957.075 9.0146246 0.00064459 3.05556828 Within Groups 3256.5 15 217.1 Total 11084.8 19
1. A psychologist would like to examine the effects of sugar consumption on the activity level ofpreschool children. On the day of the study, a sample of 10 children does not receive any sugar.Another sample of 10 children is given sugary foods to consume. The psychologist records the activitylevel for each child. A. Single-sample z-testB. Single-sample t-testC. Independent samples t-testD. Related samples t-test (repeated measures or matched samples)E. Correlation

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