Discuss the method of drawing a systematic sample of size 4 when N = 24.
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Which is not a method for detecting determinate (systematic) errors? 1. analysis of standard samples 2. calculation of the standard deviation 3. variation of the sample size used in the analysis 4. analysis of the sample by another method
What is the selection probability for each unit based on the systematic sample technique? (Population size = N, sample size = n, k =N/n)What is the weight for each unit?
In a systematic random sample of size n drawn from a population of size N, how many random numbers need to be generated to identify those subjects who are included in the sample? n N/n N-n 1 n-1
A) Explain the difference between descriptive and inferential statistics. B) What happens to the margin of error when the confidence level increases. C) Discuss the relationship between sample size and margin of error.
1.4.RA-4 0 of 1 Point Question Help Suppose the size of a population is N 5500 and the sample size desired is n 14. What value of k should be used to obtain a systematic sample from this population? (Round down to the nearest whole number as needed.) Enter your answer in the answer box and then click Check Answer. 2 All parts showing Clear All Check Answer
A distribution of values is normal with a mean of 170 and a standard deviation of 17. From this distribution, you are drawing samples of size 34.Find the interval containing the middle-most 80% of sample means: Enter your answer using interval notation. In this context, either inclusive or exclusive intervals would be acceptable. Your numbers should be accurate to 1 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.
If you are using statistics to compute a sample mean you should divide the sum of all observations in your sample by A. 1. B. The sample size minus 1 (n - 1). C. The sample size (n). D. The sample size minus 2 (n - 2). E. None of the above.
Let n X , X ,..., X 1 2 be a random sample of size n > 2 from a distribution with p.d.ff (x;θ ) =θ xθ-1 , 0 < x < 1, θ > 0Find Cramer-Rao lower bound(CRLB)
4. I. Let Yǐ < ½ < ⅓ < Ya be the order statistics of a random sample of size n = 4 from a distribution with pdf f(x) 322, 0<< 1, zero elsewhere. (a) Find the joint pdf of Ys and Ya (b) Find the conditional pdf of Ys, given Y-y (c) Evaluate Evsl (d) Compute the probability that the smallest of the random sample exceeds the median of the distribution
When auditors wish to evaluate a sample statistically, an acceptable selection method is: systematic sample selection. judgmental selection. block sample selection. haphazard selection.