Activity 6: Giving ExamplesDirections: List down at least three (3) examples of Random and SystematicRandom:1.2.3.Systematic:1.errors.2.3.Directions: Using a Venn diagram compare and contrast Systematic andRandom Errorso

Random Errors The random error varies unpredictably from one measurement to another This is…

Answered: Activity 6: Giving Examples Directions:…

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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A clinical microbiology laboratory compared the frequency of isolation of DNA hybridization probe to a culture method for the sexually transmitted bacterium Neisseria gonorrhaeae. The frequency of isolation from clinical specimens was historically 10%. The lab ran 100 split samples, and the results are presented in the table below. Table. Comparison of the Distribution of Negative and Positive Results for the DNA Probe and Culture Methods. Culture Results DNA Probe Results Positive (D) Negative (D-) Positive (T) 8 4 Negative (T-) 2 92 What is the sensitivity of the test? I choose c wouldn't the sensitivity been 0.02 ? or my calculations is wrong A. 0.88 or 88% B. 0.8 or 80% C. 0.02 or 2% D. 0.81 or 81%
Private Four-Year College Enrollment A random sample of enrollments in Pennsylvania's private four-year colleges is listed here. Check for normality. (6-2) 1350 1886 1743 1290 1767 2067 1118 3980 1773 4605 1445 3883 1486 980 1217 3587
The article "Multi-objective Scheduling Problems: Determination of Pruned Pareto Sets" (H. Taboada and D. Coit, IIE Transactions, 2008:552–564), presents examples in a discussion of optimization methods for industrial scheduling and production planning. In one example, seven different jobs were performed on each of five machines. The means and standard deviations of the processing times for each machine are presented in the following table. Machine Sample Size Mean SD A 25.43 10.67 23.71 13.92 44.57 15.90 D 23.14 12.75 58.00 19.11 Construct an ANOVA table. You may give a range for the P-value. Can you conclude that there are differences among the mean processing times? a. b.
Sampling Distributions: The Gallup Poll has decided to increase the size of its random sample of Canadian voters from about 1500 people to about 4000 people right before an election. The poll is designed to estimate the proportion of Canadian voters who favor a new law banning smoking in public buildings. The effect of this increase is to 1. increase the variability of the estimate. 2. have no effect since the population size is the same. 3. reduce the variability of the estimate. 4. reduce the bias of the estimate. 5. increase the bias of the estimate.
Hint(s) Check My Work The International Air Transport Association surveys business travelers to develop quality ratings for transatlantic gateway airports. The maximum possible rating is 10. Suppose a simple random sample of 50 business travelers is selected and each traveler is asked to provide a rating for the Miami International Airport. The ratings obtained from the sample of 50 business travelers follow. 4 8. 10 1 8. 7. 8. 8. 10 6. 1. 8. 7 8 7. 6. 8. 10 4 8. 1. 8 8. 7 10 6. 8. 4 6. 81 6. 1. 7. 7. Develop a 95% confidence interval estimate of the population mean rating for Miami. Round your answers to two decimal places. 9. 6.
banana state issued a law that prohibits selling cigarettes to underaged citizens who are under 18 years old. The major of the banana tries to investiagte to what extend citizens follow the rule in his country empricially. He does not want to check all the selling records in his state, instead he picked randomly some selling records seen as follows: 18 34 15 45 19 17 45 49 32 16 Help him to conduct an statistical analysis to check citizen follows the law. Interpret the results.
Statistics students at a state college compiled the following two-way table from a sample of randomly selected students at their college: Play chess Don’t play chess Male students 25 162 Female students 19 148 Answer the following questions about the table. Be sure to show any calculations. What question about the population of students at the state college would this table attempt to answer?State Hº and Hª for the test related to this table.
(Please don't copy) All solve the problem
Solve all parts kindly and solve this perfectly plz solve this now solve all parts plz
State Debt and Per Capita Tax An economics student wishes to see if there is a relationship between the amount of state debt per capita and the amount of tax per capita at the state level. Based on the following data, can she or he conclude that per capita state debt and per capita state taxes are related? Both amounts are in dollars and represent five randomly selected states. Per capita debt x 1645 2781 1904 1791 3418 Per capita tax y 2423 3890 2129 2095 2214 (a) Compute the value of the correlation coefficient. Round your answer to at least three decimal places. r= (b) State the hypotheses. H0 : H1: (c) Test the significance of the correlation coefficient at α=0.05 , using The Critical Values for the PPMC Table. Critical values: ± ▼(Choose one) the null hypothesis. (d) Give a brief explanation of the type of relationship. There ▼(Choose…
Hint(s) Check My Work The International Air Transport Association surveys business travelers to develop quality ratings for transatlantic gateway airports. The maximum possible rating is 10. Suppose a simple random sample of 50 business travelers is selected and each traveler is asked to provide a rating for the Miami International Airport. The ratings obtained from the sample of 50 business travelers follow. 2 6 7 8 9 9 9 10 10 10 10 9 4 5 6 6 8 7 9 10 9 6 5 7 6 8 4 2 10 9 9 10 10 9 8 7 5 9 9 3 6 2 9 7 10 7 9 9 9 9 Develop a confidence interval estimate of the population mean rating for Miami. Round your answers to two decimal places
coffee extraction One student dissolved 20mg of caffeine in 20mL of water. The student carried out two extractions using 20mL of dichloromethane in each. Caffeine solubility in water: 2.17g / 100mL at 25C Caffeine solubility in dichloromethane: 10.0g / 100mL at 25C a. Determine the distribution coefficient. b. Determine the amount of caffeine obtained in the first extraction. c. Determine the amount of caffeine obtained in the second extraction. d. Determine the total amount of caffeine extracted during the entire process. e. Determine the percent recovery.

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Activity 6: Giving Examples Directions: List down at least three (3) examples of Random and System errors. Random: 1. 2.