Explain why a t-test

Assignment Help Basic Statistics
Reference no: EM131168001

Provide an example of where you could use correlation in real life. Explain why a t-test is necessary before you accept this correlation as being real in the population.

Please cite references.

Reference no: EM131168001

Questions Cloud

Diastolic blood pressure : A study is conducted to test a new drug claimed to reduce diastolic blood pressure in adults with a history of coronary heart disease. What is the most efficient study to test whether the drug reduces diastolic blood pressure? Justify your answer.
Probability that a pregnancy : The length of human pregnancies is approx. normally distributed (ND) with mean of 266 days and standard deviation of 16 days. Find the probability that a pregnancy will
What difficulties present themselves : If a computer is capable only of manipulating and storing integers, what difficulties present themselves? How are these difficulties overcome?
Conduct an analysis and hypothesis : Conduct an analysis and hypothesis test of your choice on the data you collected. Write a 250-500 word research summary of the findings generated in the assignments for Topics 2 through 5. The research summary should address the following.
Explain why a t-test : Provide an example of where you could use correlation in real life. Explain why a t-test is necessary before you accept this correlation as being real in the population.
What is overflow and how can it be detected : What is overflow and how can it be detected? How does overflow in unsigned numbers differ from overflow in signed numbers?
How many bits will you need to represent each character : You decide the best thing is to use BCZ, Binary-Coded Zebronian. How many bits will you need to represent each character if you want to use the minimum number of bits?
Current exchange rate between swedish kronas and pounds : CROSS RATES Use the foreign exchange section of a current issue ofThe Wall Street Journalto look up the three currencies in problem 17-8. What is the current exchange rate between Swedish kronas and pounds?
What is the largest positive and smallest negative number : What is the largest positive and the smallest negative number that can be stored on this system if the storage is normalized? What bias should be used in the exponent if we prefer all exponents to be nonnegative?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Prove that if x is a discrete random variable

Use the result of problem 1 above to show that the average number of heads when a fair coin is flipped n times is equal to n/2.

  Mean annual percentage turnover for plants exceeds mean

Is there sufficient evidence to indicate that the mean annual percentage turnover for U.S. plants exceeds the corresponding mean percentage for Japanese plants?

  There are 300 homes in winetree subdivision the subdivision

there are 300 homes in winetree subdivision. the subdivision committee decided to paint a third of the houses magenta

  Assume that nothing is known about the percentage of

you plan to develop a new software system that you believe will surpass the success of google and facebook combined. in

  On awards day at the end of the year jasmine has an 85

question on awards day at the end of the year jasmine has an 85 chance of winning top award in english and a 4 out of 5

  What is the population if questionnaires are returned

Undergraduates at her college and mails a questionnaire to 250 students selected at random. Only 104 questionnaires are returned. what is the population.

  Trade off rent versus proximity to campus

Sketch an indifference curve that reflects the way you would trade off rent versus proximity to campus. Is your indifference curve a straight line?

  Find formula for actuarial present value of pension benefits

An employee may retire at any age from 63 to 65, with a reduction in pension income of 5% per year. Find a formula for the actuarial present value of the pension benefits.

  In organizational behaviour research mba students are often

in organizational behaviour research mba students are often surveyed to make claims about the behaviour of

  Uniqueness theorem for first order equations

What is the relevance of this initial value problem to the Existence and Uniqueness Theorem for first order equations?

  Find probability of worker error if there was an accident

There is a worker error is 0.3, and the probability that an accident will occur when there is no worker error is 0.2. Find the probability of a worker error if there was an accident.

  List the measures of center from the least affected by

list the measures of center from the least affected by outliers to the most affected by

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