Thursday

December 18, 2014

December 18, 2014

Posted by **noell** on Monday, November 5, 2012 at 10:00pm.

1222, 1243, 1257, 1285, 1268, 1316, 1275, 1317, 1275

(a) Use a calculator with mean and standard deviation keys to find the sample mean year x and sample standard deviation s. (Round your answers to the nearest whole number.)

x =

A.D.

s = yr

(b) Find a 90% confidence interval for the mean of all tree ring dates from this archaeological site. (Round your answers to the nearest whole number.)

lower limit A.D.

upper limit A.D.

- statistics -
**noell**, Monday, November 5, 2012 at 10:20pmI really only need help on part B.

x=107

s=31

I am not 100% how to put it in my ti 84 silver plus..

- statistics -
**noell**, Monday, November 5, 2012 at 10:41pmnever mind! got it!! TY

- statistics -
**Bj**, Sunday, May 5, 2013 at 2:58pmHigh

**Answer this Question**

**Related Questions**

statistics - Suppose the method of tree ring dating gave the following dates A.D...

Statistics - Find an example of application of Normal Distribution (or ...

Statistics - 7. A random sample of n1 = 16 communities in western Kansas gave ...

Statistics - Which of the following statements are correct? 1.A normal ...

statistics - Which of the following statements are correct? a. a normal ...

Statistics - 1. Which of the following statements are correct? a. A normal ...

statistics - which of the following statements are correct? a. a normal ...

statistics - Which of the following statements are correct? a. A normal ...

statistics - Will the sampling distribution of means be approximately normal if ...

statistics - What is wrong with the following statements? a) For a large n, the ...