4. Which of the following answers best describes the table Quality 1: QUALITY 1 SUPPLIER DEFECT А В C ТОTAL Incorrect Invoice III II 7 Incorrect Inventory IIII 9. Damaged Material II II 8 Incorrect Test Doc II III II 10 Total 13 7 8 34 a. Pareto analysis Cause and effect analysis Tic chart b. С. d. None of the above
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- The attached data contains Part Quality data of three suppliers. At = 0.05, does Part Quality depend on Supplier, or should the cheapest Supplier be chosen?Is the number of games won by a major league baseball team in a season related to the team's batting average? Data from 14 teams were collected and the summary statistics yield:∑Y= 1,134, ∑X = 3.642, Σ(Y−Yhat)2 = 1011.06, ∑(X−Xbar)2 = .00118, and ∑(X−Xbar)(Y−Ybar) = 295.54Estimate σ.If a researcher wants to find out the average monthly expenses of all university students in Edmonton, this average would be an example of ________ . a. samplecross out b. statisticcross out c. populationcross out d. parameter
- Suppose a researcher is interested in the relationship between periodontal disease and a number of negative health outcomes. One outcome of particular interest to the researcher is hypertension (assume defined as systolic blood pressure above 140 mmHG). Suppose a team gathers a SRS of 348 participants with periodontal disease, and finds the sample average systolic blood pressure to be 157 mmHG. A) Using an assumed σ=16 mmHG, conduct a 1 sample Z test to determine if there is a relationship between periodontal disease and hypertension in this population. (Use α=0.05)The management of BCD Inc. would like to separate the fixed and variable components of electricity as measured against machine hours in one of its plants. Data collected over the most recent six months follow:Electricity MachineMonth Cost Hours January $1,100 4,500February 1,110 4,700March 1,050 4,100April 1,200 5,000May 1,060 4,000June 1,120 4,600Required: 1. Using the method of least squares, compute the fixed cost and the variable cost rate for electricity expense. (Round estimates to the nearest cent.) 2. Compute coefficients of correlation and determinationTwo analysts were given a standard reference material (SRM) and were asked to determine its copper concentration (in mg/kg) using the EPA standard method. Each analyst was given sufficient time so they could produce as many accurate results as possible. Their results (mg/kg) were as follows: Analyst A 45.2, 47.3, 51.2, 50.4, 52.2, 48.7 (Standard error s = 2.62) Analyst B 49.4, 50.3, 51.6, 52.1, 50.9 (Standard error s = 1.06) (a) For Analyst A, is 52.2 mg/kg a possible outlier? (b) Calculate the RSD for each student; which analyst is more precise? (c) If the known concentration of copper in SRM is 49.5 mg/kg, which analyst is more accurate (without considering the deletion of outliers if any)?
- You've conducted a k-means cluster analysis and in your output you have the following average within-cluster distances for each cluster: Cluster 1: 0.946 Cluster 2: 1.332 Cluster 3: 0.865 Cluster 4: 1.098 From these average within-cluster distances, which cluster is the most homogeneous? Question 3 options: Cluster 1 Cluster 2 Cluster 3 Cluster 4A data with 18 points will be integrated as accurately as possible using a combination of Simpson's rules. It will require ____ applications of Simpson's 3/8th rule and _____ applications of Simpson's 1/3rd ruleMr. James, president of Daniel-James Financial Services, believes that there is a relationship between the number of client contacts and the dollar amount of sales. To document this assertion, he gathered the following information from a sample of clients for the last month. Let X represent the number of times that the client was contacted and Y represent the valye of sales ($1000) for each client sampled. Number of Contacts (X) Sales ($1000) 14 24 12 14 20 28 16 30 23 30 c) James would like to require 30 client contacts per month. Based upon the above data, predict what the monthly sales would be for this number of client contacts. What would be your advice to Mr. James about his proposed policy?
- What is the five-number summary for {34, 47, 51, 11, 7, 9, 13, 49, 22}? Minimum Value = 34Q1 = 47Median = 7Q3 = 13Maximum Value = 22 Minimum Value = 9Q1 = 10Median = 22Q3 = 48Maximum Value = 49 Minimum Value = 7Q1 = 11Median = 11Q3 = 13Maximum Value = 51 Minimum Value = 7Q1 = 10Median = 22Q3 = 48Maximum Value = 51Suppose IQ scores were obtained for 20randomly selected sets of twins. The 20 pairs of measurements yield x=104.38, y=103.25, r=0.826, P-value=0.000, and y=19.99+0.8x, where x represents the IQ score of the twin born first. Find the best predicted value of y given that the twin born first has an IQ of 110?Use a significance level of 0.05. The best predicted value of y is:There's a new treatment for addiction and because resources are limited, a program decides it can offer it only to those people whose ASI scores are in the top 10% of scores. What raw score on the ASI would a person have to have to be eligible for the program?