Does data prove significant difference in mean scrap rates

Assignment Help Basic Statistics
Reference no: EM13136427

Scrap rates per thousand (parts whose defects cannot be reworked) are compared for 5 randomly selected days at three plants. Does the data prove a significant difference in mean scrap rates? Which pairs of mean scrap rates differ significantly (3 plants)?

Plant A Plant B Plant C
11.4 11.1 10.2
12.5 14.1 9.5
10.1 16.8 9.0
13.8 13.2 13.3
13.7 14.6 5.9

Reference no: EM13136427

Questions Cloud

Consolidate financial statements of catbird : Catbird accounts for its investment in Bug using the equity method as a one-line consolidation. Complete the working papers to consolidate financial statements of Catbird and Bug Corporations for the year 2006.
What is the volume of a block : what is the volume of a block with the dimensions 95.6cm in length, 43.7cm wide, and 10.2cm in height?
Determining presidential powers : Presidential power and influence are often thought to be greater in the foreign policy arena than in the domestic policy arena. Why? Besides the power to pass legislation, what other powers does congress have to influence the policy-making process..
Prepare journal entries to record the acquisition of land : Fielder co obtained land by issuing 2,000 shares of its 10 par value common stock. The land recently appraised at 85,000 the common stock is actively traded at 40 dollars per share. Prepare journal entries to record acquisition of the land.
Does data prove significant difference in mean scrap rates : Compared for 5 randomly selected days at three plants. Does the data prove a significant difference in mean scrap rates? Which pairs of mean scrap rates differ significantly (3 plants)?
Evaluating a manager performance : A static budget is appropriate in evaluating a manager's performance if:
What is the mole fraction of hydrogen : what is the mole fraction of hydrogen in a gaseous mixture that consists of 8.00 g of hydrogen and 12.00 g of neon in a 3.5 liter container maintained at 35.20 degrees celsius?
Theories of politics-american political situation : Which theory best explains who has political power in American politics:pluralism, power elite (Four Networks) or a combination of both? In other words, can people influence decision by voting in elections and participating in interest groups (Plu..
Swot(strengths,weaknesses,opportunities,and threats)analysis : develop a two- to three-page SWOT (strengths, weaknesses, opportunities, and threats) analysis for the quality assurance program of your hospice facility. You will present your analysis to senior management. There are several SWOT analysis examples o..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Calculate standard deviation number of days due to illness

A sample of the personal files of eight male employees revealed that during a six month period they lost the following number of days due to illness 2, 0, 6, 3, 10, 4, 1, 2. Calculate the standard deviation. show your work.

  Categorical responses between two independent group

The McNemar test is a test on a 2x2 classification table when you want to test the difference between paired proportions. Chi-square test for 2X2 tables compares the tallies or counts of categorical responses between two (or more) independent grou..

  Computing probability of rolling a six

Cast a die a number of independent times until a six appears on the up side of the die. Find the probability density function F(x)= P(X

  Determine the posterior density

Suppose your prior on θ isuniform on [0, 1] and that she then makes two shots in a row. Assume that the outcomes of thetwo shots are independent.

  Mean difference among the groups

To determine whether there exists mean difference among the groups:

  Information about least-squares regression

A nationwide standardized test taken by high school juniors and seniors may or may not measure academic potential, but we can nonetheless examine the relationship bewteen scores on such test and performance in college.

  Confidence using the critical value approach

At 95% confidence using the critical value approach, determine if the proportion of females in the company is significantly less than 50%.

  Describing conditional probability

In an experiment, subjects are required to generate a "yes" or "no" decision. The probability of 'Yes' being correct is 50%. The observed probability of yes decisions is 70%.

  What are the chi-square results

What are the Chi-square results? What are the expected and the observed results that were found? Are they results of the Chi-Square significant? What do the results mean?

  Hypothesis testing-actual sales results

A software company wants to determine whether there is a relationship between their three sales offices and the sales of their software products. The actual sales results are

  Description of confidence interval problem

A random sample of 17 wolf litters in Ontario, Canada gave an average of x1= 4.9 wolf pups per litter, with estimated sample standard deviation s1 - 1.0.

  Transform each test score to a z-score

The test scores of a student who took both tests are given below. A student gets a 75 on the statistics test and a 29 on the biology test. transform each test score to a z-score.

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