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These data were obtained in a comparison of two different methods for determining dissolved oxygen concentration (in milligrams per liter):Sample 1 2 3 4 5 6Merhod A (amperometric) 2.62 2.65 2.79 2.83 2.91 3.57Method B (visual) 2.73 2.80 2.87 2.95 2.99 3.67 Estimate the difference between the methods. Give a confidence interval for the mean difference. What assumptions have you made? Do you think this experiment provides an adequate basis for choosing one method other the other? If not, what further experiments and data analysis would yourecommend? Imagine different outcomes that could result from your analysis and say what each might show.
If a constant release of a gaseous low-level radioactive isotope from a medical facility is allowed, what would be the acceptable release rate in a year's period (in rems per hour).
a fair coin is repetitively tossed 2n times n is very large. what is the probability for the number of heads to be in
a manufacturer of cordless electric shavers sampled 13 from a days production and found the mean time of continuous
a sample of 64 observations is selected from a normal population.the sample mean is 215 and the sample standard
The sales of Lexus automobiles in the Detroit area follow a Poisson distribution with a mean of 3 per day. What is the probability that for five consecutive days at least one Lexus is sold?
A population is Normally distributed and has a σ =24. Samples of size 25 have a sample mean of 100. Find the 90% confidence interval for the population mean.
The age distribution of householders is an important tool for marketer interested in providing age-appropriate advertising for the particular product they wish to market. What is the probability that fewer than 135 householders will be between 45 a..
As a part of the editorial a random sample of 315 households showed 260 own pets. Does this data disagree with the Pet Food Dealers Association data? Use a 0.10 level of significance.
The problem related to Basic Statistics and it discuss about giving an example on one of the application of sampling methods and how the sample is statistically important in allowing in taking decisions on the entire population
the u.s. bureau of labor statistics releases figures on the number of full-time wage and salary workers with flexible
Based on the first 113 missions, and assuming failures occur at the same rate, consider the next 23 missions. What is the probability of exactly two failures? What is the probability of no failures?
Provide at least five real life examples where legislation and daily life choices have been driven by what could be defined basically as rooted in statistical correlations and regression analyses.
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