Thursday
April 2, 2015

Homework Help: Statistic

Posted by doug on Sunday, October 24, 2010 at 1:49am.

I am getting problems with my calculations. For the first part of the question I got 68 when I try another calculation I got 1. One of the method used was Degree of freedom =(r-1)(c-1).



TABLE 12-7

The director of transportation of a large company is interested in the usage of her van pool. She considers her routes to be divided into local and non-local. She is particularly interested in learning if there is a difference in the proportion of males and females who use the local routes. She takes a sample of a day's riders and finds the following:

Male Female Total
Local 27 44 71
Non-Local 33 25 58
Total 60 69 129

She will use this information to perform a chi-square hypothesis test using a level of significance of 0.05.

(a) Referring to Table 12-7, the test will involve ________ degree(s) of freedom.
A) 1
B) 59
C) 68
D) 128



(b) Referring to Table 12-7, the overall or average proportion of local riders is ________.
A) 1.00
A) 0.01
A) 0.5504
A) 0.55
A) 0.05


(c) Referring to Table 12-7, the expected cell frequency in the Male/Local cell is ________.
A) 33.02
A) 33.00
A) 0.300
A) 0.330
A) 3.302

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Math - use substitution method for solving x+y=4 (x+2)^2+(y-3)^2=5 I got the ...
Math - use substitution method for solving x+y=4 (x+2)^2+(y-3)^2=5 I got the ...
geometry - find the value of x in each triangle: triangle x has 1 angle at 53 ...
geometry - find the value of x in each triangle: triangle x has 1 angle at 53 ...
College Math - Another question which is confusing. The position of an object ...
*****Help Statistic - Imagine taking a 10-question true or false exam. You ...
simplify - i need to simplify : does this mean just do the problems; here is ...
Algebra help please - Part A: Divide (16x^5y^4 + 6x^3y - 2x^2y - 24x^2y^4) by -...
calculus - The question I'm having problems with is If f(x)=3x^2+7x+2, find f'(4...
chemistry - I have this question: A 71.7-mL solution of 0.182 M NaOH is titrated...

Members