User Account

All Pages

Determine the degrees of freedom

Assignment Help Basic Statistics
Reference no: EM131429575

Sixto Sanchez is the owner of Suburban Stylists.  He is evaluating the service level provided to walk-in customers. Because he is enrolled in an MBA program at Eastern University, Sixto decides to sample walk-in customers for the next two weeks.  He collects information from 82 walk-in customers and calculates that their average waiting times that is 21 minutes with a standard deviation of 4 minutes.

a) Determine the degrees of freedom to be used in further analysis.

b) Calculate the two sided 95% confidence interval for the population mean of waiting times.

c) Calculate the two sided 90% confidence interval for the population mean of waiting times.

d) Calculate the two sided 99% confidence interval for the population mean of waiting times

e) What t table value should be used in calculating a two sided 95% confidence interval for the population mean of waiting times if the sample selected is 25 instead of 82?

Reference no: EM131429575

Questions Cloud

Write out the sounds for the english word : Write out 5 examples of English words that contain voiceless consonants (underline the voiceless consonants in each word). Then write out a complete English sentence (of at least 4 words) that features only voiceless consonants.
Identify the various divisions of the child welfare system : Identify the various divisions of the child welfare system.Describe the social workers role within each division.Analyze the relationship between these divisions.Be sure to cite at least three relevant scholarly sources in support of your content.
How has taking a sociological perspective changed : Over the course of the quarter, you have learned to apply the sociological perspective to the world around you. How has taking a sociological perspective changed the way you view our social environment and/or society? In other words, how has the s..
What is female genital mutilation : What is a hijab? What is a burqa?According to Jafar, is ‘veiling' oppressive? Explain.What is female genital mutilation (or female genital cutting)? What are some of the procedures?What is it about the FGM procedure that makes women look ‘more fe..
Determine the degrees of freedom : a) Determine the degrees of freedom to be used in further analysis. b) Calculate the two sided 95% confidence interval for the population mean of waiting times. c) Calculate the two sided 90% confidence interval for the population mean of waiting tim..
Examine the invention and growth of crowdsourcing : Examine the invention and growth of crowdsourcing in the field of interface design. Describe the impact that crowdsourcing has had on the field of interface design. Analyze and discuss at least three (3) benefits of incorporating crowdsourcing in a d..
Discuss about to organize the speech of introduction : Description: Chapter 3 contains the information you will need to organize the Speech of Introduction. Speech content and topic: In this speech, you introduce yourself. Your goal is to share what is interesting about you - your skills, talents, and..
Estimate the results of an upcoming local election : A university is conducting a survey in order to estimate the results of an upcoming local election. They intend to take a simple random sample of individuals from the population of eligible voters.
Manufacturers of high-end clocks : Machine Works is faced with the problem of extending credit to a new customer, Qualclocks, in connection with a contract for next year's season. Machine Works has three risk categories for credit - "poor'', "average" and "good" according to repaym..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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