User Account

All Pages

Support the claim that the stand deviation of iq scores

Assignment Help Business Management
Reference no: EM132060223

IQ scores among the general population have a mean of 100 and a standard deviation of 14. A researcher claims that the standard deviation, σ, of IQ scores for females is not equal to 14. A random sample of 24 IQ scores for females had a mean of 99 and a standard deviation of 12. Is there significant evidence (at the 0.1 level of significance) to conclude that the researcher's claim is correct?

Perform a two-tailed test then answer below:

  • Carry your intermediate computations to at least three decimal places and round your answers as specified in the table.
  • The null hypothesis: H0: ___
  • The alternative hypothesis: H1:
  • The type of test statistic: ____ (Z, t, Chi square,or F)
  • The value of the test statistics: ___
  • The two critical values at the 0.1 level of significance: ___
  • Can we Support the claim that the stand deviation of IQ scores for females is not equal to 14? ___ (Y or N)

Reference no: EM132060223

Questions Cloud

Conducted for the hypotheses : A test is conducted for the hypotheses: The computed p-value is p = 0.034. Would you reject or fail to reject H0 at the 0.01 level of significance?
Discuss any positive and negative trends : Explain in 1,050 words how Walmart compares to the industry averages in terms of financial profitability, liquidity and solvency.
Why developed nations do not experience the same kinds : Using Niger discuss substantive ways in which armed conflict can contribute to or distract a developing economy and infrastructure.
Concepts of interoperability and system integration : Based on the concepts of interoperability and system integration, explain two things that you would change or innovate from current nursing practice
Support the claim that the stand deviation of iq scores : Is there significant evidence (at the 0.1 level of significance) to conclude that the researcher's claim is correct?
How you would adapt the western leadership strategies : Using Porter's Five Forces as a strategic guide, please explain how you will approach Foreign Direct Investment and Financial Risk Assessment.
What is real-life example of a data distribution : What is real-life example of a data distribution that is approximately normal, but with a large spread and what is a data distribution
What is the standardized residual for the group : You want to know if the incentives were more/less effective for the groups of employees. What is the standardized residual for the group
What what the observed f vaule : Which is the number of drinks per month after recording 3 months of treatment, the sum of squares total was 125 and and the sum of sq err or was 70.

Reviews

Write a Review

Business Management Questions & Answers

  Knowledge of merit pay systemsmerit pay plans tend to the

knowledge of merit pay systemsmerit pay plans tend to the most common form of compensation in the united states.

  Explain how well does leaders meet the practices covered

How well does he/she meet the practices covered in your required readings? How well has he/she adapted to the challenges facing leaders today?

  Describe the purpose of the current as

Describe the purpose of the current AS/NZS Standard on risk management and the key process elements.

  Planning stage but for our purposes

There are several elements that result from the planning stage but for our purposes we will focus on the development of long-term and short-term goals.

  What goal is the organization trying to accomplish

What goal is the organization trying to accomplish? What processes or procedures will change after the training? Describe the strategies or actions involved in the training exercise to meet established goals. What is the expected performance or app..

  Idea of wellness has shaped social practices

Analyze how social practices have shaped our idea of wellness and how that idea of wellness has shaped social practices.

  Defend your stance with research application

Do you think CMG is a successful company? Defend your stance with research application. How do CMG's resources support the company's competitive position?

  Method for preventing similar problems in future

Based on the case study Changing a Promotion System (Pg. 531 - Pg. 532), determine what you believe are the three (3) primary weaknesses in BioGlass Inc.'s promotion policy. Next, describe two (2) solutions to address the identified weaknesses. Th..

  Components of a mission statement

What are the nine basic components of a mission statement? Please explain in your own words

  Perceptions of product offerings

Argue whether or not you believe that health care marketers must understand customers and their perceptions of product offerings in order to effectively monitor prowess at addressing and satisfying customer wants and needs. Provide an example of y..

  Contributions of taylor and fayol

Discuss the basis of differences between the contributions of Taylor and Fayol.

  Recruiting value of corporate social responsibility

Kim and Park (2011) argue that corporate social responsibility (CSR) activities not only have value for benefitting social causes

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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