Construct a ci for the mean number of hours slept

Assignment Help Basic Statistics
Reference no: EM131643868

Question: You do a study of hypnotherapy to determine how effective it is in increasing the number of hourse of sleep subjects get each night. You measure hours of sleep for 12 subjects with the following results. Construct a 95% confidence interval for the mean number of hours slept for the population (assumed normal) from which you took the data.

8.2; 9.1; 7.7; 8.6; 6.9; 11.2; 10.1; 9.9; 8.9; 9.2; 7.5; 10.5

Reference no: EM131643868

Questions Cloud

Explain breast conservation surgery : discussing treatment options with her physician the woman goes home and talk to her husband later calling the nurse for clarification of some point the patient
Discuss about the random sample of statistics students : A random sample of statistics students were asked to estimate the total number of hours they spend watching television in an average week.
Explain the options they have and the necessary steps : Explain the options they have and the necessary steps they will need to take in order to be compliant with the tax law.
How to govern international financial agencies : A major source of North-South conflict occurs over the issue of how to govern international financial agencies such as the IMF and World Bank.
Construct a ci for the mean number of hours slept : You do a study of hypnotherapy to determine how effective it is in increasing the number of hourse of sleep subjects get each night.
Define how to prevent illness in the patients future : health promotion and disease prevention. quitting smoking, weight loss programs in order to prevent illness in the patients future
Explain how do we create our own realities : Explain how do we create our own realities? Is it OK that everyone's reality just a bit different? What role does social media play in social constructionism?
Probability of randomly selected men will have a sum weight : Find the probability that 20 randomly selected men will have a sum weight greater than 3600 lbs.
Discuss about the state of nature : Hobbes says that life in the State of Nature is "solitary, poor, nasty, brutish, and short" (Part I, Chapter XIII, para. 9). What does he mean by this?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Let a be the number of rounds until lionel wins his first

lionel wants to play the crane machine arcade game the one with the mechanical claw to win a stuffed animal. he is good

  Used to express geometric probabilities

Adapt the formula of Theorem 5 so that it can be used to express geometric probabilities in terms of binomial probabilities, and use the formula and Table I of "Statistical Tables" to

  Margin of error-sample size

Suppose that it is a presidential election year and Ohio is one of the 'swing' states. Your polling company wants to conduct a presidential preference poll of the citizens of Ohio to predict which candidate will win the election.

  Let x be a random variable that represents white blood cell

let x be a random variable that represents white blood cell count per cubic milliliter of whole blood. assume that x

  Explain how correlation is often miscast as causation

Think about how correlation is often miscast as causation. That is, cause is attributed to a variable when in fact.

  Probability that person is served in less than three minutes

Exponential distribution with a mean of 4 minutes. What is the probability that a person is served in less than 3 minutes on at least 4 of the next 6 days.

  Construct con?dence interval

What is the maximum likelihood estimator of μ1 - μ2? Construct a 99% con?dence interval for μ1 - μ2.

  Con?dence interval for difference in two population means

Suppose these means were based on a random sample of 100 homes in 1997 and 150 homes in 1998 and that the sample standard deviations of sale prices were $21,000 for 2000 and $23,000 for 2001. Find a 98% con?dence interval for the difference in the ..

  The unemployment rate of persons with a disability is

the unemployment rate of persons with a disability is typically higher than for those with no disability. recent

  Number of arrests is the benchmark

What % of officers make more than 20 arrests per month? What % of officers make between 10 and 18 arrests per month? What number of arrests is the benchmark for officers who are in the top 10% of monthly arrests?

  To address this question the professor gathers information

a professor is interested in determining if attending college influences the level at which an individual cooperates

  Viewers speak out against reality tv

The article "Viewers Speak Out Against Reality TV" (Associated Press, September 12, 2005) included the following statement: "Few people believe there's much reality in reality TV: a total of82percent said the shows are either 'totally made up' or ..

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