Thursday
July 31, 2014

Homework Help: statistics

Posted by Anonymous on Sunday, July 18, 2010 at 10:10pm.

the average weekly earnings of a production worker were $424. to know if wages, on average, have gone up since that time. To test this, you sample 64 production workers, and determine that their average salary is $432.69, with a sample standard deviation of $33.90. Use a 0.05 level of significance .carry out test .
is it t test or z test ? how would we know

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

statistics z or t test - the average weekly earnings of a production worker ...
immediate help needed statistics one tailed hypo - the average weekly earnings ...
Algebra - For 1980 through 1990, the average weekly earnings (in dollars)for ...
Math Calculus - Economists use production functions to describe how output of a ...
Math (UBC) - Economists use production functions to describe how output of a ...
Economics Help pls - Suppose you are given the following production function: , ...
Statistics - Many dairy cows now receive injections of BST, a hormone intended ...
STATISTICS - A manufacturer has received complaints that aging production ...
Microeconomics: Cost of Production - Please help me with this question! QUESTION...
Statistics - 3. The average weekly allowance of students last year at a private ...

Search
Members