User Account

All Pages

What percentage of people fall in the given range

Assignment Help Basic Statistics
Reference no: EM131741778

Question: IQ scores are designed to have a mean of 100 and a standard deviation of 15. IQ testing is one way in which people are categorized as having different levels of mental disabilities; there are four levels of mental retardation between the IQ scores of 0 and 70.

a. People with IQ scores of 20-35 are said to have severe mental retardation and can learn only basic skills (e.g., how to talk, basic self-care). What percentage of people fall in this range?

b. People with IQ scores of 50-70 are in the topmost category of IQ scores that qualify as impairment. They are said to have mild mental retardation. They can attain as high as a sixth-grade education and are often self-sufficient. What percentage of people fall in this range?

c. A person has an IQ score of 66. What is her percentile?

d. A person falls at the 3rd percentile. What is his IQ score? Would he be classified as having a mental disability?

Reference no: EM131741778

Questions Cloud

How to minimize the challenges : What are the challenges with the distributed computing and how to minimize the challenges?
Improve computing and communications : Identify two technologies that are designed to improve computing and communications to large segments of the world's population.
Sql statements against the student : Write 10 basic SQL statementsWrite 10 SQL statements against the STUDENT schema you created for practice lab 1. Your statements should run error
Define church is for them to understand and ensure a unity : The theme of his desire for the church is for them to understand and ensure a unity of communal Christianity
What percentage of people fall in the given range : IQ scores are designed to have a mean of 100 and a standard deviation of 15. IQ testing is one way in which people are categorized as having different levels.
Develop your working thesis based on the feedback : How do the Das family's actions surrounding their children show that their desires or interests do not accord with their obligations?
Examine scores on the wais-r : Boone (1992) examined scores on the Wechsler Adult Intelligence Scale-Revised (WAIS-R) for 150 adult psychiatric inpatients.
Employed to assist you in response : A web search for relevant articles and information should be employed to assist you in your response. (at least two web sites)
Demonstrate that you have begun thinking about organization : Your outline should show enough detail to demonstrate that you have begun thinking about the organization of your paper and the research required for the topic.

Reviews

Write a Review

Basic Statistics Questions & Answers

  If n28 barxx-bar47 and s2 construct a confidence interval

if n28 barxx-bar47 and s2 construct a confidence interval at a 98 confidence level. assume the data came from a

  Association and tests of statistical significance

Distinguish between measures of association and tests of statistical significance.

  Step the chi square for the given data

Suppose an airline claims that its flights are consistently on time with an average delay of at most 15 minutes. It claims that the average delay is so consistent that the variance is no more than 150 minutes.

  Probability of a randomly chosen student

High School GPA is normally distributed with a mean of 3.06 and a standard deviation of 0.40. The probability of a randomly chosen student having a HS GPA between 3.54 and 3.80 is

  Sketch a density curve that is strongly skewed to the right

Sketch a density curve that is symmetric but has a shape different from that of the Normal curves.

  Describe the scales of measurement

1. Describe the following variables as quantitative or qualitative, and describe the scales of measurement. A. The distance a student commutes from home to the Berkeley campus.

  Mean time to download-standard deviation

The mean time to download an Google video is 1 minute 30 seconds. Suppose the download time is normally distributed with standard deviation of 20 seconds.

  Out of 87 observations 67 were successes ho p 054

out of 87 observations 67 were successes. ho p 0.54. confidence level 98. what is the value of the appropriate test

  Describes the relevant components of the medical record

Regulations related to the release of personal and medical information of a patient. Describes the relevant components of the medical record you expect the family physician will want to see.

  Advantages and disadvantages of a latin square design

Distinguish between a randomized block design and a Latin square design. What are the advantages and disadvantages of a Latin square design?

  What is the insurance companys expected profit on her

julie is shopping for an car insurance policy. during the following year there is a .01 probability that her car will

  Find the probabilities for the following discrete random

q1. find the probabilities for the following discrete random variablesa. among a shipment of 5000 tires 1000 are

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