The mean number of english courses taken

Assignment Help Applied Statistics
Reference no: EM13777312

1.) The mean number of English courses taken in a two-year time period by male and female college students is believed to be about the same. An experiment is conducted and data are collected from 29 males and 16 females. The males took an average of three English courses with a standard deviation of 0.8. The females took an average of four English courses with a standard deviation of 1.0. Are the means statistically the same? 2.) A student at a four-year college claims that mean enrollment at four-year colleges is higher than at two-year colleges in the United States. Two surveys are conducted. Of the 35 two-year colleges surveyed, the mean enrollment was 5,068 with a standard deviation of 4,777. Of the 35 four-year colleges surveyed, the mean enrollment was 5,466 with a standard deviation of 8,191. I need these to be solved showing all the work, no calculators "These are to be complete Hypothesis test starting with Ho & Ha and ending with a decision based on the rejection region or the p-value." "Find Z (crit) for two tail test withα =.05" 

Reference no: EM13777312

Questions Cloud

Common information security threats : This is part one of a three-part assignment. The final version will be submitted. It is expected that adjustments will be made in the final version based on the feedback provided .
A company that makes traffic signal lights buys switches : 1)A company that makes traffic signal lights buys switches from a supplier. Out of each shipment of 1000 switches, the company will take a random sample of 10 switches. The company has a policy of rejecting a lot if they find any defective switches i..
Individual assignment role of stakeholder paper : Prepare up to 350-word paper which you explain the role of stakeholders in implementing a quality management process.
Supply chains need to be fast and agile : What are implications of the JIT approach for supply chain management?
The mean number of english courses taken : 1.) The mean number of English courses taken in a two-year time period by male and female college students is believed to be about the same. An experiment is conducted and data are collected from 29 males and 16 females. The males took an average of ..
Brain scans and application of research to brain injury : The past twenty years have seen advancements in technology that were critical to further understanding concepts in cognitive psychology. Two such developments are positron emission tomography (PET) and magnetic resonance imaging (MRI) scans. These..
Possible issues regarding officer safety : Identify at least three possible issues regarding officer safety that exist within this scenario. Apply possible solutions for these problems or observations based on what you have learned throughout this course so far
Explain the purpose database design process : Explain why functional dependency is important in relational design. Database Design: Why go through the database design process? What are important issues during the design phase that impact the success of the database?
Supply chain management (scm) issues : Can you identify and define four (4) attributes of Supply Chain Management?

Reviews

Write a Review

Applied Statistics Questions & Answers

  What population value should be used with data

What is the majority of the type of data summarized on the first page of this article and Measurement or categorical - What population value should be used with data? population mean or population proportion

  Hypothesis testing

What assumptions about the number of pedestrians passing the location in an hour are necessary for your hypothesis test to be valid?

  A manufacturer of electronics kits has found

A manufacturer of electronics kits has found

  Planning for capacity at the restaurant

Mario, one of the owners of Mi Casa Front Porch Restaurant was looking to improve his planning for capacity. In order to do this, he wanted to understand the probability of people in each party coming to the restaurant. If the mean number of people p..

  Statistical techniques in the social sciences

Regression analysis is one of the most widely used statistical techniques in the social sciences. So, what is it? In your answer, apply some of the techniques we have learned to regression -

  Responsible for assuring statistical control. in one proces

A statistical process analyst is responsible for assuring statistical control. In one process, a machine is supposed to drop 11.4 ounces of mints into a bag. (Assume that this process can be approximated by a normal distribution). The acceptable rang..

  Believe the consumer advocate claim explain

Believe the consumer advocate's claim? Explain

  Problem 1a researcher is interested in evaluating whether

problem 1a researcher is interested in evaluating whether there is a relationship between number of packs of cigarettes

  Dress code is necessary for team coherence

A department store manager has decided that dress code is necessary for team coherence

  What is the best estimate of the population mean ?

A random sample of 25 people employed by the florida state authority established they earned an average wage( including benefits ) of $65.00 per hour . a. what is the popular mean? what is the best estimate of the population mean ? b.develop a 99% co..

  The degree of flatness or peakedness of a population

The degree of flatness or peakedness of a population

  Create a city report comparing two asian megacities

Students MUST use a minimum of at least five references for the city report, three of which cannot come from material presented in the class. Sources from Wikipedia, etc. are not acceptable references and should not be used.

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