Question
QUESTION 1 Which of the following statements is correct about confidence interval estimation for mean of a population using t-distribution? A. Sample has to be
QUESTION 1
Which of the following statements is correct about confidence interval estimation for mean of a population using t-distribution?
| A. | Sample has to be from normally distributed population regardess of sample size. | |
| B. | The larger the standard deviation of the populatoin the smaller the margin of error. | |
| C. | Increase confidence level will increase the margin of error. | |
| D. | Increase the sample size will increase the margin of error. |
QUESTION 16
In a study, the researchers wish to estimate the percentage of registered voters in a population who were in favor of candidate A. A random sample of registered voters in this population was taken. Among 1000 people participated in the survey, 178 of them voted for candidate A. Use the Wald's normal approximation method to find the 95% confidence interval for estimating the proportion of voters in favor of candidate A. Which of the followings is the correct confidence interval?
| A. | (15.4%, 20.2%) | |
| B. | (15.8%, 19.8%) | |
| C. | (16.0%, 20.0%) | |
| D. | (15.6%, 20.4%) |
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Wavelet Based Approximation Schemes For Singular Integral Equations
Authors: Madan Mohan Panja, Birendra Nath Mandal
1st Edition
0429534280, 9780429534287
