User Account

All Pages

Find the confidence interval for the difference

Assignment Help Basic Statistics
Reference no: EM13236533

A sample of 15 teachers from Rhode Island has an average salary of $35,270, with a standard deviation of $3256. As ample of 30 teachers from New York has an average salary of $29,512, with a standard deviation of $1432.

Is there a significant difference in teacher's salaries between two states? Use a = 0.02. Find the 98% confidence interval for the difference of the two means.

Reference no: EM13236533

Questions Cloud

Explain for a calomel electrode saturated with kcl : For a silver-silver chloride electrode, the following potentials are observed- E° = 0.222 V E(saturated KCl) = 0.197 V Predict the value of E for a calomel electrode saturated with KCl, given that E° for the calomel electrode is 0.268 V
Explain the ways feasible solutions can be attained : Define concentrated segmentation and geographic segmentation, state the advantages and disadvantages of each one, and give an example of each one.
How does the use of a global monetary unit : How does the use of a global monetary unit (e.g., Euro or single currency) affect global value chain management? What are the pros and cons of using a single monetary unit?
What is the annual and effective interest rate : An engineering student bought a $75 bicycle and agreed to pay for it with a single $85 payment at the end of six months. Assuming semi-annual compounding, what is the annual, effective interest rate
Find the confidence interval for the difference : Find the confidence interval for the difference of the two means - Is there a significant difference in teacher's salaries between two states
Explain the ph of an acid solution and the acid ka : When comparing solutions of equal concentration, what is the relationship between the PH of an acid solution and the acid Ka
Identify the country and mode of entry : identify the company of choice that will seek an expansion opportunity to an oversee area of choice. Be sure to identify the country and mode of entry.
Characteristics of being a unique nation or chosen people : According to the Hebrews, the characteristics of being a unique nation or a "chosen people" included all of the following EXCEPT
What would be the value of the couples savings : A couple starts saving for their retirement by putting $1000 at the end of this year and increasing the savings by 5% each year. If the savings earn 6% annual interest, what would be the value of their savings at the end of 30 years?

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