Saturday

November 22, 2014

November 22, 2014

Posted by **John** on Tuesday, February 5, 2013 at 10:20pm.

(2.36, 1.8331)

(1.17, 2.2622)

(2.36, 2.2622)

(1.17, 1.8331)

(0.025, 1.8125)

- Statistics -
**MathGuru**, Wednesday, February 6, 2013 at 6:53pmRemember that standard deviation is the square root of the variance.

Formula:

t = (sample mean - population mean)/(standard deviation divided by the square root of the sample size)

t = (22.10 - 17.10)/(6.7082/√10)

I'll let you finish the calculation.

The test is one-tailed at .05 level of significance. Look at the appropriate table and determine the critical value.

Hint: degrees of freedom = n - 1 = 9

**Answer this Question**

**Related Questions**

statistics - A telephone company's records indicate that private customers pay ...

Statistics - A telephone company's records indicate that private customers pay ...

Statistics - A telephone company's records indicate that private customers pay ...

MAT 116 – Algebra 1A - A long-distance telephone plan costs $2.00 a month, plus...

Math - Global Telephone charges 30 dollars for monthly phone service, plus a ...

Statistics - A set of telephone lines is to be installed so as to connect ...

statistics - In a random sample of 100 customers, 62 returned with a month. For ...

math - Jamia is deciding between two long-distance telephone plans: • Plan A ...

math (unanswered, previously posted) - A set of telephone lines is to be ...

algebra - Two phone companies offer discount rates to students. The first ...