Find the critical values and identify the rejection regions

Assignment Help Other Subject
Reference no: EM131053399

Credit Card Debts

1. A credit card watchdog group claims that there is a difference in the mean credit card debts of households in California and Illinois. The results of a random survey of 250 households from each state are shown at the left. The two samples are independent. Assume that s1 = $1045 for California and s2 = $1350 for Illinois. Do the results support the group's claim? Use a = 0.05.

2. A survey indicates that the mean annual wages for forensic science technicians working for local and state governments are $55,950 and $51,100, respectively. The survey includes a randomly selected sample of size 100 from each government branch. Assume that the population standard deviations are $6200 (local) and $5575 (state). The two samples are independent. At a = 0.10, is there enough evidence to conclude that there is a difference in the mean annual wages?

a. Identify the claim and state H0 and Ha.
b. Identify the level of significance a.
c. Find the critical values and identify the rejection regions.
d. Find the standardized test statistic z. Sketch a graph.
e. Decide whether to reject the null hypothesis.
f. Interpret the decision in the context of the original claim.

Reference no: EM131053399

Questions Cloud

Write proposal that identifies nonexperimental design method : Justify the choice of this nonexperimental design as a means of studying the question or hypothesis. Describe the methods (e.g., sampling, measurement, procedures) you would use to conduct the experiment.
Blame for king duncan death : Who do Macbeth and Lady Macbeth plan to blame for King Duncan's death?
Recalled for bacterial contamination : Can somebody give a paraphrase for 1, organic produce is 10 times more likely to be recalled for bacterial contamination than conventionally grown food " and "genetically modified crops have increased yields by an avarage of more than 20% globally..
Instruction memo with audience profile : What to do : Write a memo to your instructor describing the audience of decision makers (primary) and others (secondary) for your Instruction Manual. Identify your primary audience and secondary audience, if any. For each audience, describe the fo..
Find the critical values and identify the rejection regions : Find the critical values and identify the rejection regions. Find the standardized test statistic z. Sketch a graph. Decide whether to reject the null hypothesis.
Handling of mark changed behavior appropriate : 1. Was the center handling of Mark's changed behavior appropriate? 2. Is documenting Mark's daily behavior important? Why or Why not?
Devise some honest slanders : 1. "I'll devise some honest slanders/ To stain my cousin with. One doth not know/ How much an ill word may empoison liking." 2. "If I see anything tonight why I should not marry her tomorrow, in the congregation where I should wed, there will I sha..
Explain the theory in your own words based on the case study : Option: Food Webs Case Study. Explain the theory in your own words based on the case study and suggested readings. Include the following in your explanation: Competition and Food Webs
Paragraph for the administration of the college : Describing your experiences and what you have learned so far,. But there is a catch! You must write one paragraph for the administration of the college to read,and you must write a second paragraph for your fellow classmates to read. Your paragrap..

Reviews

Write a Review

Other Subject Questions & Answers

  Cross-cultural opportunities and conflicts in canada

Short Paper on Cross-cultural Opportunities and Conflicts in Canada.

  Sociology theory questions

Sociology are very fundamental in nature. Role strain and role constraint speak about the duties and responsibilities of the roles of people in society or in a group. A short theory about Darwin and Moths is also answered.

  A book review on unfaithful angels

This review will help the reader understand the social work profession through different concepts giving the glimpse of why the social work profession might have drifted away from its original purpose of serving the poor.

  Disorder paper: schizophrenia

Schizophrenia does not really have just one single cause. It is a possibility that this disorder could be inherited but not all doctors are sure.

  Individual assignment: two models handout and rubric

Individual Assignment : Two Models Handout and Rubric,    This paper will allow you to understand and evaluate two vastly different organizational models and to effectively communicate their differences.

  Developing strategic intent for toyota

The following report includes the description about the organization, its strategies, industry analysis in which it operates and its position in the industry.

  Gasoline powered passenger vehicles

In this study, we examine how gasoline price volatility and income of the consumers impacts consumer's demand for gasoline.

  An aspect of poverty in canada

Economics thesis undergrad 4th year paper to write. it should be about 22 pages in length, literature review, economic analysis and then data or cost benefit analysis.

  Ngn customer satisfaction qos indicator for 3g services

The paper aims to highlight the global trends in countries and regions where 3G has already been introduced and propose an implementation plan to the telecom operators of developing countries.

  Prepare a power point presentation

Prepare the power point presentation for the case: Santa Fe Independent School District

  Information literacy is important in this environment

Information literacy is critically important in this contemporary environment

  Associative property of multiplication

Write a definition for associative property of multiplication.

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