Conduct an appropriate hypothesis test, Mathematics

Assignment Help:

Aspire LLP is a recruitment agency. Recently, the company senior manager, Kay conducted a survey to understand the number of hours students spend daily on their studies after school lesson. After surveying and talking to some local and overseas students, Kay gathered the following information:

1158_Conduct an appropriate hypothesis test.png

Questions 

Using descriptive statistics, summarise the data collected for the two groups of students. Provide appropriate output from SPSS to demonstrate the presentation of the data. What are your preliminary observations?

Questions

(a) Construct a 95% confidence interval for the Local studied hours. What are the lower and upper limits?

(b) State the assumption you have made in your construction of the interval. Is the assumption reasonable?

(c) What are the factors that will affect the width of the confidence interval? Comment on these factors.

Conduct an appropriate hypothesis test to determine if the mean of Local is lower than Overseas.

You should include the followings:

(a) State the null and alternative hypotheses and explain how you develop these two hypotheses.

(b) Perform an appropriate test of hypothesis at the 5% level of significance. What is the conclusion?
 
What are the assumptions made in performing the hypothesis test in Question 3? Are these assumptions reasonable? Provide explanation to substantiate your view.

When measuring the two groups of study hours, what are other concerns regarding the approach in terms of measuring, sampling and others?

Provide an overall summary (approx. 200 +/- 10% words) of your findings/analysis on this matter for Aspire LLP.


Related Discussions:- Conduct an appropriate hypothesis test

Solution of rectilinear figures, A straight line AB on the side of a hill i...

A straight line AB on the side of a hill is inclined at 15.0° to the horizontal. The axis of a tunnel 486ft. long is inclined 28.6° below the horizontal lies in a vertical plane wi

Estimate the loss to the bank - restructure the loan, Your bank has a loan ...

Your bank has a loan outstanding with a current balance of $1,000,000 that is payable in quarterly equal instalments of $49,924.  This loan has another 6 years to maturity.  The bo

Find out the area under the parametric curve, Find out the area under the p...

Find out the area under the parametric curve given by the following parametric equations.  x = 6 (θ - sin θ) y = 6 (1 - cos θ) 0 ≤ θ ≤ 2Π Solution Firstly, notice th

What is the area of the square in simplified form, If the side of a square ...

If the side of a square can be expressed as a2b 3 , what is the area of the square in simplified form? Since the formula for the area of a square is A = s 2 , then by substitut

Pythagorean theorem, How do you find the perimeter of an irregular shape us...

How do you find the perimeter of an irregular shape using Pythagorean theorem?

How mathematical ideas grow, HOW MATHEMATICAL IDEAS GROW :  In this sectio...

HOW MATHEMATICAL IDEAS GROW :  In this section we shall consider three aspects of the nature of mathematical ideas, namely, that they progress from concrete to abstract, from part

Applications of integrals, Applications of Integrals In this part we're...

Applications of Integrals In this part we're going to come across at some of the applications of integration.  It should be noted also that these kinds of applications are illu

How to convert decimals to fractions, Q. How to Convert decimals to fractio...

Q. How to Convert decimals to fractions? Ans. Note: This tutorial covers only terminating decimals.

How many people are usual to vote for mr salva on survey, The Daily News re...

The Daily News reported that 54% of people surveyed said in which they would vote for Larry Salva for mayor. Based on the survey results, if 23,500 people vote in the election, how

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