Average percentage of aluminum oxide

Assignment Help Basic Statistics
Reference no: EM131320046

An article in Archaeometry involved an analysis of 48 samples of Romano-Britishpottery, found at four different kiln sites in the United Kingdom. The samples were analyzed todetermine their chemical-composition. The percentage of aluminum oxide found in the samplesof two sites is shown below

Island Thorns Ashley Rails18.3 17.715.8 18.318.0 16.718.0 14.820.8 19.1

Do the data provide sufficient information to indicate that there is a difference in the average percentage of aluminum oxide at the two sites? Test at the 5% level ofsignificance.b. Find the approximate p-value for the test.

Reference no: EM131320046

Questions Cloud

Identify and discuss key issues in benefit planning : Identify and discuss key issues in benefit planning, design, and administration. Be certain to discuss the four major administrative issues that arise on setting up a benefit package
Provide a clear thesis and three supporting premises : Provide a clear thesis and (at least) three supporting premises .Develop one significant objection (to a premise, not your thesis) out of our peer review and course readings. Provide a thorough response to this objection that moves your paper forwa..
What is wrong with conclusion : He then calculates the percentages and finds that 10% of females and 6% of males had reoffended and concludes that female sex offenders were more likely to reoffend than male sex offenders. What is wrong with his conclusion?
Discuss the general solutions for the line voltage : Discuss the general solutions for the line voltage and current in time-domain and the notation associated with their representation in concise form.
Average percentage of aluminum oxide : Do the data provide sufficient information to indicate that there is a difference in the average percentage of aluminum oxide at the two sites? Test at the 5% level ofsignificance.b. Find the approximate p-value for the test.
Compare customer loyalty and customer satisfaction : Conduct research and prepare a one page paper that addresses the following: What does customer loyalty mean to you? Compare and contrast customer loyalty and customer satisfaction
Prepare a project about e-marketing for graduate : You need to prepare a project about E-marketing for graduate
How was social structure theory used to inform policy : How was social structure theory used to inform policy in the Kennedy and Johnson administrations?
Where on the circle is the corresponding swr value marked : Using the Smith Chart, how do you find the normalized line admittance at a point on the line given the normalized line impedance at that point?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Let x be a continuous distribution with probability density

let x be a continuous distribution with probability density function fx2 x32 if x??2 and fx0 otherwiselet yx2.

  In the psychology department there are 5 golden retrivers 2

a in the psychology department there are 5 golden retrivers 2 german shepaherds and one pug dog. which measure of

  What is true about data sets to make confidence intervals

What must be true about the data sets to make the confidence intervals you constructed in parts (a) and (b) valid?

  Auto glass companies now have a machine that can repair

auto glass companies now have a machine that can repair broken windshields with a success rate of 85. if a random

  Identifying a significant positive correlation

A researcher conducts some research in which they identify a significant positive correlation (r =0.42) between the number of children a person has and their life satisfaction. Which of the following is it inappropriate to conclude from this resea..

  Main opportunities to improve the cycle time of this process

Where are the main opportunities to improve the cycle time of this process, with respect to both actual time used and the potential best times? What strategy would you use

  Statistics problem of quaker oats

Quaker Oats is contemplating changing the shape of its box from the quaint cylinder presently in use. Different random samples were selected from five stores of similar size in the same region

  Regression analysis is used when the independent variable

regression analysis is used when the independent variable is nominal or ordinal in nature.a. trueb.

  Determine the point estimate of the population the margin

determine the point estimate of the population the margin of error for the following confidence interval and the number

  What is the probability that neither a nor b will happen

The events A and B are mutually exclusive. Suppose P(A) = .30 and P(B) = .20. What is the probability of either A or B occurring? What is the probability that neither A nor B will happen?

  Trust and confidence in the executive branch

Find out a 95% confidence interval for the proportion  p   of adults who have a great deal of trust and confidence in the executive branch of government.

  Retail sales - neckwarmers

Neckwarmers. Mountainside Fleece sold 40 Neckwarmers. Solid-color neckwarmers sold for $9.90 each and print ones sold for $12.75 each.

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