Find p-value-interval containing p-value for test statistic

Assignment Help Basic Statistics
Reference no: EM13121945

The personnel manager of a large retail clothing store suspects a difference in the mean amount of break time taken by workers during the weekday shifts compared to that of the weekend shifts. It is suspected that the weekday workers take longer breaks on the average. A random sample of 46 weekday workers had a sample mean of 53 minutes . A random sample of 40 weekend workers had a mean of 47 minutes. Previous studies show that the weekday workers had a standard deviation of 7.3 minutes and a standard deviation of 9.1 minutes. Test the manager's suspicion at the 5% level of significance. Find the P-value or an interval containing the P-value for the sample test statistic.

Reference no: EM13121945

Questions Cloud

Determining composite numbers : Find ten consecutive composite numbers. Find the prime factors of 1147 and of 1716. Are there any common factors?
Binomial distribution and standard deviation : What is the probability that more than 10 dogs have trait D? B. What is the probability that at most 11 dogs have trait D? Binomial Distribution and Standard Deviation
Operating income change : Salter Inc.'s unit selling price is $50, the unit variable costs are $35, fixed costs are $125,000, and current sales are 10,000 units. How much will operating income change if sales increase by 5,000 units?
How many do you expect to be homozygous dominant : Consider a population of bats where the folded ear allele is recessive to the un-folded ear allele. If in a population of 100 bats, 64 of the bats have un-folded ears, if they are in HW equilibrium, how many do you expect to be Homozygous Dominant..
Find p-value-interval containing p-value for test statistic : Test the manager's suspicion at the 5% level of significance. Find the P-value or an interval containing the P-value for the sample test statistic.
Distinct natural number function : Calculate s(k) for each natural number k from 1 through 15. Are the numbers SQRT(5), PI, and -6 in the domain of the function s? What is the domain of the function s?
Illustrate what are the role and responsibility : Illustrate what are the role and responsibility of management to detect and prevent fraud in an organization and illustrate what steps management should take when fraud is detected.
Which theory of motivation is the best fit : You may also sense that some of the theories may not specifically apply to you. Given that introduction, which theory of motivation is the best fit for describing your behavior/motivation and Why? Explain/describe with relevant examples?
What is the change in ph : What is the change in pH when 0.005 moles of HCl is added to 0.100 L of a buffer solution that is 0.100 M in CH3CO2H and 0.100 M NaCH3CO2? The Ka for acetic acid is 1.8 x 10-5.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Determination of statistical significance

Determination of statistical significance can only be determined by calculating the exact p value and declaring results as significant. True or false?

  Testable null statistical hypothesis

Clearly identify the independent and dependent variables you would study. Determine whether a one-tail or two-tail test is most appropriate and explain why. Generate a testable null statistical hypothesis and an alternative statistical hypothesis.

  What is the probability that more than 950 will accept

Assuming that students make their decisions independently, the number who accept has the B (1200, 0.75) distribution. If this number is less than 950, the college will admit students from its waiting list.

  Likelihood that any flight arrives within schedule time

Suppose the likelihood that any flight on Northwest Airlines arrives within 15 minutes of scheduled time is .90. We choose four flights from yesterday for study.

  Economical number to produce per production run

Once production is set up, 80 units can be produced per day. Daily demand rate for the units is 60 per day. a. What is the most economical number to produce per production run? b. How long is each production cycle?

  Estimations-confidence intervals-sample size

Why are estimations and confidence intervals important? Do confidence intervals and estimation play a role in the selection of sample size?

  Bayes theorem concept

What is the probability that he completed the assignments?

  Computing group variability and post hoc testing

Compute the within group variability. Do you require any post hoc testing? Why or why not? Decribe in detail.

  To test the claim using two proportion z test

Obtain a test statistic and  p -value. Interpret the results at  α  = .01.

  Compute percentage of car models that get more mpg

What proportion of 330 cci cars fall between 26 to 30 miles per gallon range? Compute the percentage of each of the car models that get 30 or more mpg.

  Probability that the next customer fills the tank

Of those customers using extra unleaded or premium gas, 60% fill their tanks. What is the probability that the next customer fills the tank?

  Normal distribution-different brands of soft drink

A marketing survey is conducting in which students are to taste two different brands of soft drink. Their task is to currently identify the brand tasted.

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