Statistics:Significance Test and Confidence Interv
posted by Carma .
Significance Test and Confidence Intervals In General:
The article contains a 95% confidence interval. Would the margin of error
in a 99% confidence interval computed from the same data be less, the same,
or greater?
 Statistics:Significance Test and Confidence Interv  DrBob222
Respond to this Question
Similar Questions

Statistics:Significance Test and Confidence Interv
Significance Test and Confidence Intervals In General: You are reading an article in your field that reports several statistical analyses. The article says that the Pvalue for a significance test is 0.045. Ifs the significant at the … 
Statisitcs:Significance Test and Confidence Interv
Significance Test and Confidence Intervals In General: Is the result with Pvalue 0.045 significant at the 1% level? 
Statistics:Significance Test and Confidence Interv
Significance Test and Confidence Intervals In General: For another significance test, the article says that the result was significant at the 1% level. Arte such results always, sometimes, or never significant at the 5% level? 
Statistics
1. A certain population follows a normal distribution, with mean m and standard deviation s = 2.5. You collect data and test the hypotheses H0: m = 1, Ha: m 1. You obtain a Pvalue of 0.022. Which of the following is true? 
statistical applications
In the media, numerous surveys are often displayed reporting percentages or proportions. A margin of error is often reported in the survey and this is used to calculate confidence intervals. Why is it important to create/report confidence … 
statistics
Refer to Table 1 in the article “Snail Shells in a Practical Application of Statistical Procedures” in the Electronic Reserve Readings. Find the margin of error, E, with a confidence interval of your choosing (5099%). What is … 
Statistics
The standard deviation for a population is σ = 15.3. A sample of 36 observations selected from this population gave a mean equal to 74.8. a) Make a 90% confidence interval for μ b) Construct a 95% confidence interval for … 
Statistics
A confidence interval for a population mean has a margin of error of 3.1. a)Determine the length of the confidence interval. b)If the sample mean is 56.7, obtain the confidence interval. 
Stastics
Which of the following descriptions of confidence intervals is correct? 
STATISTIC
A study based on a sample of size 25 reported a mean of 94 with a margin of error of 15 for 95% confidence (a) Give the 95% confidence interval. (__________,________) (b) If you wanted 99% confidence for the same study, would your …