User Account

All Pages

Discuss the disadvantages of changing to an alpha level

Assignment Help Basic Statistics
Reference no: EM131649473

Question: Production. Consider again the task of the quality control inspectors in Exercise.

a) In this context, what is meant by the power of the test the inspectors conduct?

b) They are currently testing 5 items each hour. Someone has proposed that they test 10 instead. What are the advantages and disadvantages of such a change?

c) Their test currently uses a 5% level of significance. What are the advantages and disadvantages of changing to an alpha level of 1%?

d) Suppose that, as a day passes, one of the machines on the assembly line produces more and more items that are defective. How will this affect the power of the test?

Exercise: Quality control. Production managers on an assembly line must monitor the output to be sure that the level of defective products remains small. They periodically inspect a random sample of the items produced. If they find a significant increase in the proportion of items that must be rejected, they will halt the assembly process until the problem can be identified and repaired.

a) In this context, what is a Type I error?

b) In this context, what is a Type II error?

c) Which type of error would the factory owner consider more serious?

d) Which type of error might customers consider more serious?

Reference no: EM131649473

Questions Cloud

How are they kidneys affected by alcohol : Choose ONE of the folllowing to discuss in depth. How are they kidneys affected by alcohol?
Ecritics of bottled water note : eCritics of bottled water note that the products often contain dangerous bacteria and other contaminants.
Do we classify viruses as living : Do we classify viruses as living? Why do we or why do we not classify viruses as living?
How routine measures are recorded : Explain how routine measures are recorded (ethical consideration: dignity, individual rights and privacy) and what are their uses in health and social care?
Discuss the disadvantages of changing to an alpha level : Their test currently uses a 5% level of significance. What are the advantages and disadvantages of changing to an alpha level of 1%?
Small depolarizations of postsynaptic membrane : Miniature excitatory postsynaptic potentials are small depolarizations of postsynaptic membrane potential that are observed to occur in the absence.
Explain how will you achieve a mutually acceptable solution : Explain how will you achieve a mutually acceptable solution? What are the advantages and disadvantages of using a team in this kind of setting?
Talk about being a black jew from an etic point of view : You need help with a paper talking about being a Black Jew from an Etic and an Emic point of view.
What is meant by power of test the regulators are conducting : Cars again. As in Exercise, state regulators are checking up on repair shops to see if they are certifying vehicles that do not meet pollution standards.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Finite dimensional banach space

1. Show that in any finite dimensional Banach space (Rk with any norm), for any closed, convex set C and any point x not in C , there is at least one nearest point y in C ; in other words, ly - x l= infz∈C lz - x l.

  Question-continuous probability distribution

Now we are going to talk about continuous probability distributions. In a continuous probability distribution, the variable can have a value within a range.

  Problem regarding the recessive genotype

A rare nonlethal disease (ND) that develops during adolescence is believed to be associated with a certain recessive genotype (aa) at a certain locus.

  Find the equation of linear regression for the data

Find the equation of linear regression for the above data and obtain the expected salary for an engineer with 45 years of experience. Round to the nearest $100.

  Determining proportions

According to accountemps inc. 48% of all executives believe that employees are most productive on Tuesdays. a random sample of 200 executives is taken for a study.

  What is the probability of passing either course

What is the probability of failing math only (that is, you fail math but pass history)?

  Probability that interviews with 500 people would yield 320

If the public relations agency's claim is correct, what is the probability that interviews with 500 people would yield 320 or fewer who felt the company was an industry leader?

  Replacement from the wallet

Suppose there are three bills in a wallet. One of the bills is a $1 bill, one is a $5 bill, and the third is a $10 bill. You select two bills at random without replacement from the wallet, and note the value of the bills selected.

  A two-sample t test is performed with hau1gtu2 and a test

a two-sample t test is performed with hau1gtu2 and a test statistic of t-1.24 is observed. draw a sketch of the area

  Hypothesis test for difference between population proportion

Using alpha = 0.05 and a computed value of +4.49, can we conclude that the percentage of claims for married policyholders is less then for single policyholders?

  Let a b and c be independent random variables uniformly

let a b and c be independent random variables uniformly distributed over 05 03 and 04 respectively. what is the

  B calculate the standard deviation of the six x-values and

consider the following set of data. 18 11 29 45 60 25 83 16 106 61 121 5 a calculate the covariance of the set of data.

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