Do we have sufficient evidence to reject the hypothesis

Assignment Help Mathematics
Reference no: EM131093866

Fear of darkness is a common emotion. The following data were obtained by asking 200 individuals in each age group whether they had serious fears of darkness. At α = 0.01, do we have sufficient evidence to reject the hypothesis that "The same proportion of each age group has serious fears of darkness"?

Age Group

Elementary

Jr. High

Sr. High

College

Adult

No. Who Fear Darkness

83

72

49

36

114

a. The above table is an incomplete contingency table even though at first glance it might appear to be multinomial. Explain why. (Hint: The contingency table must account for all 1000 people.)

b. Solve using the p-value approach.

c. Solve using the classical approach.

Reference no: EM131093866

Questions Cloud

Write a memo to towry out-lining your suggestions : Ise does not want to give Towry this budget without making constructive suggestions for steps Towry could take to improve expected performance. Write a memo to Towry out-lining your suggestions.
Assess the political and economic risks : Consider recent event and the prevailing political and economic condition in the Russian Federation. As a manager who has been considering investment there . How do you assess the political and economic risks at this time?
Customer requirement analysis and advice to acquisition team : You may complete this exercise individually or as a group.  Students will form their own groups with some other students. Groups will work through the week to answer the questions relating to the exercise below.
Find the competitive allocation of families over lots : Consider land prices in a rectangular country. The northern edge of the country is a desirable seacoast, which is 100 indivisible lots wide. Find the competitive allocation of families over lots, and the price of each lot
Do we have sufficient evidence to reject the hypothesis : Fear of darkness is a common emotion. The following data were obtained by asking 200 individuals in each age group whether they had serious fears of darkness. At α = 0.01, do we have sufficient evidence to reject the hypothesis that "The same prop..
Quality management and quality control : The team works for a company that is looking to make an acquisition of another company. The team must make a recommendation as to whether or not the company should make an offer based on the information below. The team must present their recommend..
Set up differential equation which describes dv/dt in term v : You decide to start a 401k account. You begin with an initial investment of $5000, and you continuously add to it at a rate of $1000 per year. At the same time, the account accrues interest at a continuous rate of 5% annually. Let V (t) be the val..
Derive the marshallian labor supply curve : Suppose a worker chooses consumption, C, and leisure, l, to maximize the utility function U(C, l) = α((C- γ)ρ -1/ρ) + ((l- γ0)ρ_0-1/ρ0). Suppose ρ = 0. Derive the Marshallian labor supply curve
Determining the break-even analysis : When expenses and revenues are equal, this is known as the "break-even point" or BEP. To determine break-even, an examination of fixed and variable costs (expenses) in relationship to revenues is necessary. Understanding where the BEP is for a giv..

Reviews

Write a Review

Mathematics Questions & Answers

  Questions on ferris wheel

Prepare a Flexible Budget Gator Divers is a company that provides diving services such as underwater ship repairs to clients in the Tampa Bay area.

  Logistic map

This assignment has two question related to maths. Questions are related to bifurcation cascade and logistic map.

  Finding the probability of cards

This assignment has questions related to probabiltiy.

  Systems of ode

Find all the xed points, and study their stability and Draw the phase portrait of the system, as well as the graphs of the solutions in all relevant cases.

  Derive the boolean expression

Derive the Boolean Expression and construct the switching circuit for the truth table stated

  System of equations

Evaluate which equations are under-identified, just-identified, and over-identified.

  Linear programming problem

Linear programming problem consisting of only two constraints with one objective function.

  Find the natural domain

Find the natural domain of the given functions.

  Introduction to numerical methods

Compute the coecients of the polynomials using the term recurrence relation.

  Chart of the topological manifold

De?nition of smoothness of functions on a smooth manifold is chart independent and hence geometric.

  Mathematics in computing

Questions related on mathematics in computing.

  Complex problems

Complex problems

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