Compute the test statistic

Assignment Help Basic Statistics
Reference no: EM131099725

To test H: u = 20 versus H:u< 20, asimple random sample size of n=18 is obtained from population that is known tobe normally distributed.<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

a. If x- =18.3 and s =4.4 compute the test statistic.

T= (round to 2 decimal places as needed).

Reference no: EM131099725

Questions Cloud

Network design and analysis : You have been asked to design a Banking Network with two primary types of locations: a Branch location and a Campus location. The bank has a total of 2,220 branch locations and 85 Campus locations. What routing protocol(s) would you recommend for thi..
Demonstrate skills required to interact with clients : Performance objective - To demonstrate the skills and ability required to interact with clients on a business level
Development of the hippocampal region in adolescents : Researchers want to measure the effect of alcohol on the development of the hippocampal region in adolescents. The researchers randomly selected 11 adolescents with alcohol use disorders. They wanted to determine whether the hippocampal volumes in..
Determining the favorable variance : At the end of the month, the total labor costs have a favorable variance. The labor rate is the reason for the variance. Is Shelly unethical in her actions? What could happen because of her actions?
Compute the test statistic : To test H: u = 20 versus H:u
Research and overview of the higher education industry : Research and overview of the higher education industry in the United States of America highlighting the public and private sector - State university and community college social goals and public service
Confidence interval for the population mean repair cost : In a random sample of 40 refrigerators, the mean repair cost was $121.00 and the population standard deviation is $15.80. Construct a 90%confidence interval for the population mean repair cost. Interpret the results.
Calculate a four-day moving average : 1. Assume the following daily closings for the Dow Jones Industrial Average:
Should you select this option for your course project : Find another reading by one of the authors that we studied that we did not cover in this class. Compare and contrast the reading from this class to the outside reading. Have a debatable, persuasive claim and focus on specific points of comparison.

Reviews

Write a Review

Basic Statistics Questions & Answers

  You wish to test the claim that u gt 11 at a level of

you wish to test the claim that u gt 11 at a level of significance of ? 0.05 and are given sample statistics n 50

  Find probability that selected thermostat reads greater

A standard deviation of 1.00 degrees C. Find the probability that a randomly selected thermostat reads greater than -0.74 and draw a sketch of the region.

  Consider an investment portfolio of 50000 in stock a and

question consider an investment portfolio of 50000 in stock a and 50000 in stock b. the expected value of a is 9.5

  Determining the variance of firm-s profit

Determine the variance of firm's profit for the month.

  What is the probability that at least one has not written

among 27 to 32 year old 25 say they have written an editorial letter while under the influence of alcohol. suppose six

  Claiming using two mean z test

At the .05 significance level, is there a difference in the mean number of miles traveled per month between Cincinnati and Pittsburgh employees? Use the five-step hypothesis-testing procedure.

  Uniform distribution and random variable

The random variable x is known to be uniformly distributed between 1.0 and 1.5.

  Capturing the true-mean of the population

A SRS of size 16 drawn from a Normally Distributed population has a mean of 30 and a standard deviation, s, of 5. With 95% confidence, what is the interval that captures the true mean of the population?

  Which statistical test should researcher use to analyze data

A clinical psychologist is interested in the effect that anxiety has on the ability of individuals to learn new material. She is also interested in whether the effect of anxiety depends on the difficulty of the new material.

  Home mortgage interest rates

Home mortgage interest rates for 30-year fixed rate loans vary throughout the country. During the summer 2000, data available from various parts of the country suggested that the standard deviation of the interest rates

  Assuming variable normally distributed

find probabilty that the average of those counts is more than 83.0 mosquitoes per square meter. Assume the variable is normally distributed.

  Suppose that x is a discrete random variable for which ex12

suppose that x is a discrete random variable for which ex12 and varx25. compute

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