A. Directions: Identify whether the given statement is True or False. Write T if it is true; otherwise, write _1. In estimating the population mean, it is better to have a larger confidence interval than a smaller interval. _2. The width of the confidence interval is the difference of the upper and lower limits. _3. The higher the level of confidence is used in the estimation process, the wider the length of the confidence interval is. _4. The larger the variability of the population is, the wider the margin of error will be. _5. Point estimates are preferred than the interval estimate. _6. In the formula for the computation of the limits of the interval estimate, the lower limit corresponds to the value X + za yn _7. When the margin of error is small, the confidence level is high. 8. The larger the sample size used in setting the interval estimate is, the narrower the resulting confidence interval will be. _9. A 90 % confidence level corresponds to a 10% margin of error. _10. The difference between the estimate and the parameter being estimated is called standard

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