Find the confidence interval of the true mean

Assignment Help Basic Statistics
Reference no: EM132857188

An irate student complained that the cost of textbooks was too high. He randomly surveyed 36 other students and found that the mean amount of money spent for textbooks was $121.60. If the standard deviation of the population was $6.36, find the 95% confidence interval of the true mean.

Reference no: EM132857188

Questions Cloud

Do you think that marijuana lead to an addiction : Provide a statistical graph that shows relation between marijuana consumption and number of people that suffered from addiction.
Compute the probability that the delivery time : Compute the probability that the delivery time is longer than 17 minutes.
UG070 Investment Management and Portfolio Analysis : UG070 Investment Management and Portfolio Analysis Assignment Help and Solution, College Of Banking And Financial Studies - Assessment Writing Service
Provide explanations for the results of the various ratios : Provide four possible explanations for the results of the various ratios for Nova Ltd and explain their implications for the audit
Find the confidence interval of the true mean : If the standard deviation of the population was $6.36, find the 95% confidence interval of the true mean.
Confidence interval for difference in population of females : Construct and interpret a 98% confidence interval for the difference in population proportions of females and males who took advanced math courses
Conduct statistical procedures to further interpret data : The efficacy of a new addiction medication was evaluated in a randomized, placebo-controlled, doubleblind study.
Find an article that uses either an independent samples : Find an article that uses either an independent samples t-test or a correlated (also known as "paired") t-test.
State the null and alternative hypotheses-pharmaceutical : A pharmaceutical company will begin producing a new antibiotic if more than 75% of patients improve from the treatment. If they give the antibiotic to a random

Reviews

Write a Review

Basic Statistics Questions & Answers

  Graphing function-number of circuit boards

People assigned to assemble circuit boards for a computer manufacturing company under go on the job training. From past experience it was found that the learning curve for the average employee is given by:

  What are demand characteristics

What is meant by the sensitivity of a dependent measure? What are ceiling and floor effects?- What are demand characteristics? Describe ways to minimize demand characteristics.

  Strings composed of two identical repeated pieces

Let Double be the set of strings defined as {s} s=  ww}. Double contains only strings composed of two identical repeated pieces. For example, if you have a vocabulary of the ten digits 0 to 9, then the following strings (and many more!) are in Dou..

  Do students sleep more in pennsylvania or in california

Do students sleep more in Pennsylvania or in California? Data from surveys in elementary statistics classes at Penn State University and the University.

  Apparently allowed for overlapping categories

a. Which survey apparently allowed for overlapping categories: the one from 1999 or the one from 2004, or both, or neither?

  Describe the sterilization of third world peoples

Either we require forced sterilization of Third World peoples or the world population will explode and all of us will die. We certainly don't want to die.

  Determining random number generator

Determine a random number generator and make simulated data for not more than 25 participants (test subjects) in study using ranges of values for variables you established above.

  Population mean kilograms consumed for males

a. Use software to produce a confidence interval for the difference between population mean kilograms consumed for males minus females.

  Show that the negative-feedback system

Show that the negative-feedback system shown in Fig. 2.5(b) is BIBO stable if and only if the gain a has a magnitude less than 1. For a = 1, find a bounded

  Chi square test for birth data

Births. Randomly selected births records were obtained and results are listed in the table below (based on data from the National Vital statistics Report,

  Identify a scientific or real-world problem with a relevant

Identify a scientific or real-world problem with a relevant data set

  A security camera is used to monitor a particular

a security camera is used to monitor a particular survillence area to report wheather there is any threat present or

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