Construct a 90 confidence interval for the standard

Assignment Help Basic Statistics
Reference no: EM13616424

A food inspector , examamining 12 jars of a certain brand of peanut butter, obtained the following percentages of impurities :

2.3,1.9,2.1,2.8,2.3,3.6,1.4,1.8,2.1,3.2,2.0 and 1.9.

Construct a 90% confidence interval for the standard deviation of the population sampled, that is for the percentage of impurities in the given brand of peanut butter.

Reference no: EM13616424

Questions Cloud

The upper limit of the 95 confidence interval for the : the upper limit of the 95 confidence interval for the population proportion p given that n 300 and hat p 0.10 is
Find the value of z that would be used to test the : find the value of z that would be used to test the difference between the proportions given the following. use g - h.
An electric field of intensity 30 knc is applied along the : an electric field of intensity 3.0 knc is applied along the x-axis. calculate the electric flux through a rectangular
Abc hospital a not for profit acute care facility expects : abc hospital a not for profit acute care facility expects to have a patient load of 20000 inpatient days next year and
Construct a 90 confidence interval for the standard : a food inspector examamining 12 jars of a certain brand of peanut butter obtained the following percentages of
A circular coil of wire 84cm in diameter and has 160 turns : a circular coil of wire 8.4cm in diameter and has 16.0 turns and carries 2.70a current. the coil is in a region where
The css is a valid measure of sentiment to commit sexual : in an investigation of the psychometric properties of the criminal sentiments scale css witte et al. 2006 administered
What would be the expected return for a self-financing : each of the six firms in the table below is expected to pay the listed dividend payment every year in perpetuity.firm
The ramp is at an angle of 315 degrees with the horizontal : at a mail sorting facility packages slide down a ramp but are stopped part way down the ramp so that they can be

Reviews

Write a Review

Basic Statistics Questions & Answers

  Make a histogram of the data and discuss the shape center

q1. hallux abducto valgus call it havis a deformation of the big toe that often requires surgery. doctors used x-rays

  Extraneous solutions to real life problems

The answer was finding the length and width of a rectangle. The results were x= 3 and x= -4. Neither the length or width can be a negative number. However, 3 did work in the original equation."

  Getting a sample mean

The average cost of a one bedroom apartment in a town is $550 per month. What is the probability of randomly selecting a sample of 50 one bedroom apartments in this town and getting a sample mean of less then $530 if the population standard deviat..

  Obtain expression for system reliability for lamps

Independently of all the others. The system is operational if no two adjacent lamps fail. Obtain an expression for system reliability.

  Theoretical or conceptual model or framework

What are the pros and cons of selecting an established theoretical or conceptual model or framework? What are the pros and cons of creating/developing your own?

  Result the region of probability using normal curve

Use the continuity correction and describe the region of normal curve that corresponds to the indicated binomial probability. The probability of more than 50 right answers.

  Let three fair coins be tossed let a all heads of all

let three fair coins be tossed. let a all heads of all tails b at least two heads and c at most two tails.1. list

  Null and alternative hypothesis

What is the null and alternative hypothesis? What is your final conclusion?

  Make a decision by computing the test statistic

Make a decision by computing the test statistic and comparing it to the decision rule. What the decision rule means in terms of the question in the problem.

  Population mean tread wear

Construct a 99% confidence interval for the population mean tread wear for this type of tire.

  Least squares simple linear regression

The least squares simple linear regression line minimizes the sum of the vertical deviations between the line and the data points.

  The serum cholesterol levels for men in one age group are

The serum cholesterol levels for men in one age group are normally distributed with a mean of 185.1 and a standard deviation of 37.8. All units are in mg/100 ml. Find the two levels that separate the top 8% and the bottom 8% of this population.

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