Determine whether the normal distribution or t-distribution should be used to find a 95% confidence interval in which x= 12.8, s= 3.8, and n = 50. Then find the confidence interval. 相关知识点: 试题来源: 解析 11.75 < μ < 13.85. Since n ≥30, the normal distribution should be ...
Find the Wilks Confidence Interval Upper Bound from the Given Empirical Likelihood Ratio FunctionMai Zhou
Question: Find the 99% confidence interval for the difference between two means based on this information about two samples. Assume independent samples from normal populations. (Use conservative degrees of freedom.) (Give your answers correct to two decim...
The t distribution examines a sample's data and can be used to calculate appropriate confidence intervals. Learn how standard deviation and t distributions appear through several examples of confidence interval calculations. Sample Standard Deviation More than likely, we will not have the privilege of...
find the 95.44% confidence interval for the population mean. 1) Find the confidence interval specified. 2)A random sample of 105 full-grown lobsters had a mean weight of 23ounces.Assume that σ = 3.5 ounces. Construct a 98% confidence interval for the population mean μ. 2) 3)A sample ...
知道置信区间,求置信水平?Find the confidence level and a when there is an 70-percent confidence interval.知道置信区间是70%,求置信水平?怎麼求啊... 下载作业帮APP学习辅导没烦恼 答案解析 结果1 举报 这不是已经告诉你了,置信水平是70%,那么alpha=1-70%=30%. APP内打开 为你推荐 查看更多 关于置信度...
Find the necessary confidence interval for a population meanμfor the following values.(Round your answers to three decimal places.) a90%confidence interval,n=60,x‾=28.6,s2=3.95 to Interpret the interval that you have constructed. ...
Using the TI 83 to Find a Confidence Interval for Population Proportion, p TI 83 Confidence Interval for the Population Mean Confidence Interval for a Mean on the TI 89 Confidence Interval for a Proportion on the TI 89 Definition of a Confidence Interval A confidence interval is a range of ...
How do you find the confidence interval for a population proportion? How to calculate covariance by given variance? For a set of values of x and y, if Pearson s Correlation r is equal to - 0.85, it means: A correlation/regression test is run for a given set of 51 data points (x,y...
Confidence interval is the interval estimated for the true value of the population parameter. The true value may or may not lie in the estimated interval. The critical value is calculated at a given level of significance from the diffe...