Sunday

February 1, 2015

February 1, 2015

Posted by **Melanie** on Wednesday, November 14, 2012 at 7:35am.

a. choose a larger z value, construct a wider confidence interval, and achieve a lower confidence level

b. choose a smaller z value, construct a narrower confidence interval, and achieve a higher confidence level

c. define the limits of an interval estimate of μ as x zα/2σ/√n

d. define the limits of an interval estimate of μ as x tα/25/n

- Statistics -
**RAJU**, Wednesday, November 14, 2012 at 11:56am(c) define the limits of an interval estimate of as x } z/2/n

Because sigma is known

**Answer this Question**

**Related Questions**

Statistics - The standard deviation for a population is σ = 15.3. A sample ...

Statistics - These are the only ones that I am having problems with. Please help...

statistics - A single sample is being used to construct a 90% confidence ...

statistics - Sample with size n = 100 has mean = 30. Assuming the population ...

statistics - Sample with size n = 100 has mean = 30. Assuming the population ...

statistics - An IQ test was administered to a random sample of 26 mental ...

statistics - A simple random sample of 60 items resulted in a sample mean of 80...

Statistics - Which of the following statements correctly interprets a 95% ...

Statistics - An admissions director wants to estimate the mean age of all ...

Statistics (42) - A simple random sample of 60 items resulted in a sample mean ...