Find a p-value from a t-test, Basic Statistics

Assignment Help:

A random sample of 321 New Jersey and 77 Pennsylvania fast-food restaurants was selected from those fast-food restaurants in this study.  The restaurants were categorised into two levels according to the number of full-time employees after the law change: 5 or fewer, 6 or more. This information is

1323_Find a p-value from a t-test.png

(a) State the sampling situation for the difference between the estimated proportion of all New Jersey fast-food restaurants that had 5 or fewer full-time employees after the law change and the estimated proportion of all Pennsylvania fast-food restaurants that had 5 or fewer full-time employees after the law change.

(b)  Carry out a t-test to investigate if there is a difference between the proportion of all New Jersey fast-food restaurants that had 5 or fewer full-time employees after the law change and the proportion of all Pennsylvania fast-food restaurants that had 5 or fewer full-time employees after the law change.  Interpret your results, including the 95% confidence interval.

Notes:

(i) You must follow the step-by-step guide to performing a  t-test.

(ii) It is necessary to use either a graphics calculator, PASW (SPSS), Excel or  t-tables to determine the P-value.

(iii) You can check your calculations by using the Excel spreadsheet on Cecil.  Look under Assignment Resources.

 


Related Discussions:- Find a p-value from a t-test

Explain accounting Accumulated depreciation , A contra-asset assessment con...

A contra-asset assessment consideration used to history the buildup of regular credit created to indicate the conclusion of the approximated useful life of investment resources.

Manufacturing overhead referred to as factory overhead, Manufacturing overh...

Manufacturing overhead referred to as factory burden, factory overhead, and manufacturing support costs refers to indirect factory related costs which are incurred when a product i

Calculate relevant measures of central tendency, In order to derive meaning...

In order to derive meaningful results from the statistical tables the researcher may use one or more of the followings four steps: a.The first step is to calculate relevant meas

Cost accounting, what are the objective and importance of cost accounting a...

what are the objective and importance of cost accounting and managerial decision making.

Index numbers, discuss the considerations to be borne in mind when construc...

discuss the considerations to be borne in mind when constructing index numbers

Determine the simple linear regression model, You have collected data from ...

You have collected data from the factory on a critical to quality attribute. The attached Excel spreadsheet lists the response, Y and four potential predictors. You would like to m

Accounting standards in word countries, Accounting Standards in word countr...

Accounting Standards in word countries: Diverse countries like Peru, Australia, Kuwait, South Africa etc. have all started adopting the IFRS. The SEC has suggested that all compan

Calculate the mean value and variance, 1. Generate 1000 samples for each of...

1. Generate 1000 samples for each of the following discrete random variables: (a). Binomial distribution with n=40, p=0.7, and distr. with n=50, p=0.5 (b). Geometric distribu

According to you are the biggest challenges of moving ifrs, What according ...

What according to you are the biggest challenges of moving to IFRS? Manager 1: Well, there are going to be a lot of changes. IFRS is known to be more principle based than the

Construct the frequency distribution, 1) Here we are given a raw data and w...

1) Here we are given a raw data and we are supposed to construct the frequency distribution of that data and plot the histogram of it. The dataset contains the values from 1 to

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd