User Account

All Pages

Hypothesis test for one population mean

Assignment Help Basic Statistics
Reference no: EM131717724

Hypothesis Test for One Population Mean (t-Test)

The principal of Bon Air school thinks that the average test score of students at Bon Air is higher than the state average of 105. She administers the test to 20 randomly selected students. Among the sampled students, their average test score is 108 with a standard deviation of 10. Based on these results, is this evidence that students at Bon Air have a higher test score than the state average. Assume a significance level of 0.01.

Reference no: EM131717724

Questions Cloud

Analyze and explain whether evidence-based practice : Identify the best practices that will form the basis of service delivery. Analyze and explain whether evidence-based practice would prove to be the best choice
Examine a federal or state social welfare policy : Identify and examine a federal or state social welfare policy that aims to address this social problem.
Estimate the mean weight of full-term newborns : A hospital researcher wishes to estimate the mean weight of full-term newborns. A random sample of 13 full-term newborns had a mean birth weight
Review problem of first security national bank : First Security National Bank has been approached by a long-standing customer, United Safeco Industries, for a $30 million term loan for five years to purchase.
Hypothesis test for one population mean : The principal of Bon Air school thinks that the average test score of students at Bon Air is higher than the state average of 105.
How does top-down processing relate to confirmatory bias : Think of some ways in which this might be true and list them? How does top-down processing relate to confirmatory bias?
What does that program do to focus on health prevention : How has that program evolved and influenced the entire U.S. health care system? What are some of the accomplishments and challenges for that program
Propose to real life scenarios : Considering a former or current workplace or a preferred future workplace, present a specific strategy to address a specific problem at that workplace.
Appropriate null and alternative hypotheses : At the 5% significance level, do the data indicate that the interest rate received on a loan is dependent on race?

Reviews

Write a Review

Basic Statistics Questions & Answers

  In a sequence of 10 independent bernoulli trials where the

1 in a sequence of 10 independent bernoulli trials where the probability of success is .4 what is the expected number

  Give the p-value for the hypothesis test

For testing the null hypothesis at the 4% level of significance that mu GE 100 vs the alternative that mu

  Probability that special warning will issued during a month

If the number of recalls in a given month is above more than one standard deviation from the mean, the federal government issues a special warning directed toward parents. What is the probability that a special warning will be issued during a give..

  Compare the results of the sign test of the wilcoxon test

Is there evidence that a stock split causes excess returns for the month following the split? Redo the problem, using the sign test.

  Determine probability of getting a perfect score on question

An accounting professor at a state university in Vermont recently gave a three-question multiple-choice quiz. What is the probability of getting a perfect score if you were forced to guess at each question?

  A physician knows the probability that a patient will

a physician knows the probability that a patient will recover from a certain disease is 60 when treated with the

  Information about statistics-linear programming

Biggio's Department Store has six employees available to assign to four departments in the store: home furnishings, china, appliances, and jewelry.

  Find the least squares line for the data

Is there a relationship between the sweetness index and a chemical measure such as the amount of water-soluble pectin (parts per million) in the orange juice?

  Choose a variable and collect data for at least three

Choose a variable and collect data for at least three different groups (samples). Compare the means of the three groups using the one-way ANOVA technique. Complete the following

  Conduct hypothesis test for existence of linear correlation

Using the data in problem, conduct the hypothesis test for the existence of a linear correlation between the two variables. Use a = 0.01.

  Meanings of civil liberties and civil rights

1. Analyze and compare how the U. S. government functions on the federal, state, local, and global levels. 2. Identify and contrast the meanings of civil liberties and civil rights, and explain the impact each has had on U. S. politics.

  The mean and the standard deviation of the sample of 100

the mean and the standard deviation of the sample of 100 bank customer waiting times in table 1.8 are xbar5.49 and

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd