Construct a 98% confidence interval to estimate D from
the following sample information. Assume the differences are
normally distributed in the population.
= 39.32, | sd= 27.17, | n = 22 |
Appendix A Statistical Tables
(Round your answers to 3 decimal
places.)
≤ D ≤
Construct a 98% confidence interval to estimate D from the following sample information. Assume the differences...
Current Attempt in Progress Construct 90%, 95%, and 99% confidence intervals to estimate from the following data. State the point estimate. Assume the data come from a normally distributed population 12.4 11.6 11.9 12.9 12.5 11.4 120 11.7 118 12.4 Appendix A Statistical Tables (Round the intermediate values to 4 decimal places. Round your answers to 2 decimal places.) SUS 90% confidence interval: SM 95% confidence interval: sus 99% confidence interval: The point estimate is
Construct 90%, 95%, and 99% confidence intervals to estimate μ from the following data. State the point estimate. Assume the data come from a normally distributed population. 12.1 11.6 11.9 12.3 12.5 11.4 12.0 11.7 11.8 12.1 Appendix A Statistical Tables (Round the intermediate values to 4 decimal places. Round your answers to 2 decimal places.) 90% confidence interval: ≤ μ ≤ 95% confidence interval: ≤ μ ≤ 99% confidence interval: ≤ μ ≤ The point estimate is .
Construct a 98% confidence interval estimate for the mean μ using the given sample information. (Give your answers correct to two decimal places.) n = 22, x = 18, and s = 2.5 -------to------
6. Assume you want to construct a 98% confidence interval with a sample of n-10 from ofa nomally distributed population. Find the critical value ta2 (1 point) 2764 02.821 0 1.383 O3.250 7. A sample of size n - 12 does not have a known population standard deviation. The population (1 point) appears to be normally distributed. Determine whether a margin of error should be calculated using a critical value of za2, a critical value of t, or neither. a...
Current Attempt in Progress Construct 90%, 95%, and 99% confidence intervals to estimate μ from the following data. State the point estimate. Assume the data come from a normally distributed population. 13.3 11.6 11.9 13.1 12.5 11.4 12.0 11.7 11.8 13.3 Appendix A Statistical Tables (Round the intermediate values to 4 decimal places. Round your answers to 2 decimal places.) 90% confidence interval: enter the lower limit of the 90% confidence interval ≤ μ ≤ enter the upper limit of the...
Construct a 98% confidence interval to estimate the population mean with x = 55 and sigma = 12 for the following sample sizes. a) n = 39 b) n = 40 c) n = 69 . a) With 98% confidence, when n = 39, the population mean is between the lower limit of nothing and the upper limit of nothing. (Round to two decimal places as needed.)
Construct a 98% confidence interval to estimate the population mean with x=59 and σ=13 for the following sample sizes. a) n equals= 30 b) n equals= 49 c) n equals= 64 a) With 98% confidence, when n=30,the population mean is between the lower limit of blank and the upper limit of. (Round to two decimal places as needed.)
Construct a 98% confidence interval to estimate the population mean with x 62 and o 12 for the following sample sizes. a) n 33 b)n 49 c) n 67 Click the icon to view the cumulative probabilities for the standard normal distribution a) With 98% confidence, when n 33, the population mean is between the lower limit of and the upper limit of (Round to two decimal places as needed.)
Construct a 99% confidence interval to estimate the population mean using the following data. What assumptions need to be made to construct this interval? x=88 20 n 11 What assumptions need to be made to construct this interval? Tre O A. The population mean will be in the confidence interval. en OB. The sample size is less than 30. et c . The population must be normally distributed. D. The population is skewed to one side. With 99% confidence, when...
A random sample of 15 items is taken, producing a sample mean of 2.364 with a sample variance of .81. Assume x is normally distributed and construct a 90% confidence interval for the population mean. Appendix A Statistical Tables (Round the answers to 3 decimal places.) 1.672 ≤ μ ≤ 3.056 (wrong)