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- A sample is selected from a population with µ = 46, and a treatment is administered to the sample. After treatment, the sample mean is M = 48 with a sample variance of s2 = 16. Based on this information, what is the value of Cohen’s d?What is a 99% confidence interval uncertainty of the slope when we are given a trendline with a slope of 42.211 and an R² value of 0.9991 for a set of 145 data points?What impact would using a much smaller sample have on the accuracy of your results
- Step 3: Each successive approximation uses the value from the previous approximation. 7.90 x 10-5 = x3(0.100 + x, Calculate the third approximation of x. Step 4: Continue this process until two x values agree within the desired level of precision. Calculate the fourth and fifth approximations of x. X4 = Which values are the first to agree to two significant figures? O x2 and x3 X1 and x3 x4 and xs O xy and x4 Which values are the first to agree to three significant figures? O x2 and xy O xi and x2 Xy and x4 X4 and xsWhat is the meaning of a confidence interval?Which of the following would be a correct interpretation of a 99% confidence interval such as 4.1Please just answer this question, I answered the others already Calculate the standard error of regression (SER) for the Lineweaver–Burk slope and the Eadie–Hofstee slope to compare the precision of each. Eadie–Hofstee SER: it is not 0.128, 0.028, 0.136, or 0.1362 or 0.013.Question: Using a method for the determination of % CaO in limestone the following results were obtained for a NIST Certified Reference Sample (CRM): % Cao 50.38, 50.20, 50.31, 50.22 50.41 Five samples were obtained from a railcar of limestone. The analysis of the samples gave the following results: % CaO 55.01, 59.61, 58.82, 64.39, 62.49 a) Determine the variance due to sampling. b) If the samples taken from the railcar had a mass of 0.500 g, what mass9) The following results were obtained in the determination of Vitamin E mass in tablet samples. Sample 1 2 3 4 5 6 Weight of Vitamin E (mg) 249.1 249.9 251.2 250.2 244.8 251.0 i. Determine whether any data should be rejected or not at 90 % confidence level. ii. Calculate the mean and standard deviation of the data set above. ii. Express the mean weight of vitamin C at 99 % confidence interval.What is the median of the values 7.79, 8.24, 5.81, 4.97, 1.04, 7.39, and 7.22?My answer here is 18.5 % and 1.98 ft3 please verifyIn the technique of high performance liquid chromatography (HPLC) the peak area response for a particular analyte is directly proportional to concentration Analgesic tablets typically consist of aspirin and caffeine as the active ingredients, the remainder made up of inert binding material. The concentrations of aspirin and caffeine may be routinely monitored using HPLC, whereby the peak areas obtained from a solution of the tablet are compared with those obtained from standard solutions of the analytes. In an analysis to determine the concentration of caffeine in such a tablet, the following data were recorded: Solutions Analysed: Tablet Sample: Mass of tablet (dissolved in 250 cm methano): 0.523 g Caffeine Standard: Mass of caffeine (diessolved in 500 cm methanol) 0.105 g HPLC results: Solution Peak Area (catfeine) 1. Tablet Sample 325 2. Caffeine Std. 865 The concentration of caffeine in the tablet (expressed as a mass (w/wl percentage) was Oa 1.89 Ob 13.4 O 3.77 Od. 267 Oe 7.54 You…SEE MORE QUESTIONS