Determine whether or not the population means differ

Assignment Help Basic Statistics
Reference no: EM131797579

Consider the following data:

2131_data.png

a. Construct a 95% confidence interval for the difference between the population means. Assume the population variances are unknown but equal.

b. Specify the competing hypotheses in order to determine whether or not the population means differ.

c. Using the confidence interval from part a, can you reject the null hypothesis? Explain.

Reference no: EM131797579

Questions Cloud

What are the cash flow effects : When a company uses equity method to record its proportionate share of income and dividends of a company in which it has invested, what the cash flow effects
Which scenario is better for society and the organization : For all organizations, especially public-traded companies, one of the main goals of the organization is to maximize the value of the firm.
Explain the impact to the companys stock price : Explain the impact to the company's stock price when the restatement was released and to future earnings forecast
What is total quality management : What is total quality management (TQM)? Is it something you can install, like a refrigerator? How do you know TQM when you see it?
Determine whether or not the population means differ : Construct a 95% confidence interval for the difference between the population means. Assume the population variances are unknown but equal.
What challenges occur for apple : From an ethical perspective what challenges occur for Apple (the company)? List and explain in detail
What are the behavioral consequences of the way budgets : Problem - Is Granger Stokes using budgets as a planning and control tool? What are the behavioral consequences of the way budgets are being used at PrimeDrive
Determines that the additional services are distinct : Yankee Corp. agrees to provide Albany Company 24 months of coaching services. The contract sets the price at $4,000 per month, which is the normal stand-alone.
Global management challenges might apple : What global management challenges might Apple (the company) have? List and explain in detail

Reviews

Write a Review

Basic Statistics Questions & Answers

  What is the probability that this customer is not a student

a particular fast food restaurant is located near a university. 50 of the customers are students. students prefer the

  Locate value of population mean in histogram

For the following population of N=10 scores 14,6,8,3,9,12,1,6. Draw the histogram showing population distribution. Locate value of population mean in your sketch and make estimate of standard deviation.

  Prepare the probability tree for doug state

Doug has defined the event "It will rain" like this: Today, it will either rain or it will not, but not both. He calls the weather service and they say.

  Describe the characteristics of the f distribution provide

describe the characteristics of the f distribution. provide examples.what are we testing when we test for two

  Calculate the probability of defective keyboard

Suppose 37% of a company's computer keyboards are manufactured in Los Angeles, and 63% in Detroit. Suppose 2% of the keyboards made in Los Angeles.

  Let x have an exponential distribution with mean

let x have an exponential distribution with mean sigma.a find the first quartile q1b how far is the first quartile

  Histogram and frequency distribution

The following frequency distribution reports the number of frequent flier miles, reported in thousands, for employees of Brumley Statistical Consulting, Inc. during the first quarter of 2004.

  Overall uean and inferential tests

Which measure of central tendency would you use to summarize the data below? Which inferential test would you use to determine if there is a difference in rainfall between the sample 2 and 3?

  What is the numerical value of the correlation

Class attendance explained 16% of the variation in grade index among the students. What is the numerical value of the correlation between percent of classes attended and grade index?

  Would you use given estimator

Suppose that you have an estimator with a relatively large bias. The estimator is consistent and efficient.- If you had a generous budget for your sampling survey, would you use this estimator? Explain.

  Conducting a survey of consumer preferences

The Nile Superstore is conducting a survey of consumer preferences for a new wireless, e-book reader. A sample of 160 people reveals that 120 would buy the new reader. Estimate the value of the population proportion.

  How many oranges per rupee he purchased on an average

Ram buys I kg. oranges from each of the four places at the rate of 2kg 4kg., 5kg., 8 kg., per rupee respectively. Find out how many oranges per rupee he purchased on an average?

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