Significance level for number of units produced

Assignment Help Basic Statistics
Reference no: EM1320917

Clark Heter is an industrial engineer at Lyons Products. He would like to determine whether there are more units produced on the afternoon shift than on the day shift. A sample of 54 day-shift workers showed that the mean number of units produced was 345, with a standard deviation of 21. A sample of 60 afternoon-shift workers showed that the mean number of units produced was 351, with a standard deviation of 28 units. At the .05 significance level, is the number of units produced on the afternoon shift larger?

Reference no: EM1320917

Questions Cloud

Most significant challenge associated with leverage : Analyze the ways in which managers could use the Federal Register to determine the single most significant challenge associated with its use, and how managers could address that challenge. Provide specific examples to support your response.
One way analysis of variance in excel : Is there evidence to suggest a difference in the mean waiting times at the four body shops? Use the .05 significance level.
Test for two independent sample using excel : At the .05 significance level, can we conclude that there is a difference in their mean times?
Case study of steamer furniture company : Steamer Furniture Company operates a "rent-to-own" furniture store in Nashua, NH. Stanley Dino purchased a living room suite (couch, loveseat and chair) on May 18, 2009.
Significance level for number of units produced : At the .05 significance level, is the number of units produced on the afternoon shift larger?
Conclusion on assembly time using the new method : Using the .10 level of significance, can we conclude that the assembly time using the new method is faster?
Conclusion of the mean waiting time : At the .05 significance level, can we conclude that the mean waiting time is less than 3 minutes?
Describe the organizational structure : Describe the organizational structure of your selected organization. Compare and contrast that structure with two different organizational structures.
Effectiveness of grupo modelo growth strategy : Evaluate the effectiveness of Grupo Modelo's growth strategy for Corona to become the number-one imported beer in the U.S.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Test value for difference between effectiveness

As part of this trial, they want to find out whether there is a difference between effectiveness for women and for men. At = .05, what is the test value?

  Shipping schedule using transshipment model

Determine the most economical monthly shipping schedule. Provide a table showing the routes and total costs.

  All us workers who play hooky

Use this information to set up a 90 percent confidence interval for the proportion, p of all US workers who play hooky.

  Strategies to increase validity of the findings

What additional strategies (up to 3) you would propose that may increase validity of the findings.

  Find the mean square of the treatment sum of squares

Find out the mean sum of squares of the treatment in one way ANOVA.The profits of individual traders in three departments, labelled by A, B and C, in a medium sized firm were recorded on one day.

  Report the known project with all information

What is the population from which your sample has been taken? Description of data taken from other sources. Preliminary analysis using histograms, box plots, scatter plots, etc. and investigation of outliers. Do you keep or discard identified outl..

  Checking normality assumption

Construct a 90 percent confidence interval for the proportion of all kernels that would not pop. Check the normality assumption.

  What is the probability all four calls are infact emergency

Illustrate what is the probability all four calls are infact emergencies. Illustrate what is the probability that three or more calls are not emergencies.

  Hypothesis test for difference in mean processing time

In past, mean processing time was 45 days.  At 0.05 level of significance, is there evidence that mean processing time has changed from 45 days?

  Probability of choosing license plate ends with even number

Determine the probability of choosing at random license plate which ends in the even number?

  What is the standard error for the sample mean

At a computer manufacturing company, the actual size of computer chips is normally distributed with a mean of 1 centimeter and the standard deviation of 0.1 centimeter. A random sample of 12 computer chips is taken. What is the possibility that th..

  Local group claims

A local group claims that the police issue more than 60 speeding tickets a day in their area.

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