User Account

All Pages

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

  Find confidence interval for true proportion of students

30 said that they planned to work in a rural community. Find a 95% confidence interval for the true proportion of all medical students who plan to work in a rural community.

  Hypotheses in a chi-square test for independence

Why do you use the chi-square statistic? Explain. What type of data is used with chi square analysis? Explain. What are the hypotheses in a chi-square test for independence? Explain.

  The distribution of the sat scores in math for an incoming

the distribution of the sat scores in math for an incoming class of business students has mean of 580 and standard

  According to the insurance institute of america a family

according to the insurance institute of america a family of four spends between 400 and 3800.00 per year on all types

  Suppose that 14 of all steel shafts produced by a certain

suppose that 14 of all steel shafts produced by a certain process are nonconforming but can be reworked rather than

  Confidence interval-true proportion of favour candidate a

A random sample of 100 people was taken. Eighty of the people in the sample favored candidate A. The 95% confidence interval for the true proportion of people who favor Candidate A is?

  Sign of slope of regression line

As the correlation coefficient increases from 0.85 to 0.88, do the points of the scatter plot move toward the regression line, or away from it?

  What is the length of a call if only 1% of all calls are

When a customer places an order with Office Works, a computerised Accounting Information System (AIS) automatically checks to see if the customer has exceeded his or her credit limit. Past records indicate that the probability of customers exceeding ..

  A researcher conducts an experiment on the iq of one

a researcher conducts an experiment on the iq of one hundred randomly selected only children and finds that their

  Medians of variables and chi-square analysis

I want it to be analysed with descriptive statistics, means/medians of variables and chi-square analysis. Interpretations of the results, their links or interesting points among the results must be explain clearly.

  Use the 3-day moving average method for forecasting days

last weeks sales of imac computers at an apple store in oklahoma city ok are shown in the following tabledaysales

  The weight of an organ in adult males has a bell-shaped

the weight of an organ in adult males has a bell-shaped distribution with a mean of 330grams and a 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!

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