Conducting a one-tailed hypothesis test

Assignment Help Basic Statistics
Reference no: EM13111562

Given the following data from two independent samples, conduct a one-tailed hypothesis test to determine if the first sample mean is larger than the second sample mean, given a 0.05 level of significance.

n1 =45 n2 = 36

xbar1=64 xbar2 = 60

s1=15 s2 = 12

Reference no: EM13111562

Questions Cloud

Non directional hypothesis : Suppose the company that has produced "Get Slim X" now produces an even better diet pill. This new and improved version is called "Get Super Slim X."
Test statistics-directional research hypothesis : An entrepreneur owns two hotels, one in the western region of a certain state and the other in the eastern region. He thinks that the average amount spent by guests for lunch at his Friendly Café-West is less than $34.50
Income effect of four earnings management approaches : In a study of how managers attempt to manage earnings, researchers analyzed a sample of 515 earnings- management attempts from a survey of experienced auditors. The frequency of effects is summarized in the table shown. Research question: At α..
Highest level of education : One reads that a business school graduate with an undergraduate degree earns more than a high school graduate with no additional education, and a person with a master's degree or a doctorate earns even more.
Conducting a one-tailed hypothesis test : Given the following data from two independent samples, conduct a one-tailed hypothesis test to determine if the first sample mean is larger than the second sample mean, given a 0.05 level of significance.
Hypothesis testing of consumer preference : A test was conducted to determine whether gender of a spokesperson affected the likelihood that consumers would prefer a new product.
Question regarding two-tailed hypothesis : Assuming that the population variances are equal for male and female Grade Point Averages (GPAs), use the following sample data to test whether the averages are different at the 0.05 level of significance.
Hypotheses for right-tailed test- test statistic and p-value : State the hypotheses for a right-tailed test. Obtain a test statistic and p-value assuming equal variances. Interpret these results. Is the difference in mean scores large enough to be important?
Hypothesis testing-dual degree students : The MBA department is concerned that dual degree students may be receiving lower grades than the regular MBA students. Two independent random samples have been selected.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Hypothesis testing procedure for situation

What hypothesis testing procedure would you use in the following situations? Explain your reasons, including assumptions and limitations for selecting the procedure.

  Independent-dependent samples and variables

Explain the difference between independent samples and dependent samples. Classify the following as independent or dependent samples:

  Significant difference in mean temperatures by one-way anova

Determine whether there is a significant difference in mean temperatures in three cities using ONE-WAY ANOVA. Determine whether there is significant difference in mean temperatures.

  Mcq on normal probability

A company uses triple time estimates to determine expected completion time for all of their projects. If they determined the expected time to complete a project is 25 weeks with a variance of of 9 weeks

  Age-gender-ethnicity and local law

The proportion of drivers who use seat belts depends on things like age, gender, ethnicity, and local law. As part of a broader study, investigators observed a random sample of 117 female Hispanic drivers in Boston; 68 of these drivers were wearin..

  What is the null hypothesis

How is the null hypothesis chosen (why is it null)? What is the importance of rejecting the null hypothesis in relation of the sample to the population?

  Determine the strength and direction of relationship

A typical problem statement is correlation research is _____________

  Probability of completing the exam

The time required to complete a final examination in a particular college course is normally distributed with a mean of 80 minutes and a standard deviation of 10 minutes. Answer the following questions. a) What is the probability of completing the..

  Probability of choosing member from committee

The board of directors of Saner Automatic Door Company consists of 12 members, 3 of whom are women.

  Seamstress performing at an acceptable quality level

A sample has just been taken with the following lengths: 21.25, 22.0, 21.5, 20.75, 21.25, 21.35, 21.35, 21.35, 21.35, 21.35, 21.35, and 21.35. Is the new seamstress performing at an acceptable quality level?

  Need to know about hypothesis

A new teaching tool developed by the Allied Health department is claimed to help 68% of students learn at a faster pace. State the null and alternate hypothesis if:

  Estimate of the standard deviation

sketch a histogram showing the population distribution - locate value of the population mean in your sketch and make an estimate of the standard deviation.

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