Significant difference in mean blood pressure

Assignment Help Basic Statistics
Reference no: EM132412480

A researcher fails to find a significant difference in mean blood pressure in 36 matched pairs. The test was carried out with a power of 85%. Assuming that this study was well designed and carried out properly, do you believe that there really is no significant difference in blood pressure? Explain your answer.

Reference no: EM132412480

Questions Cloud

Confidence interval for the population mean : Construct a 99% confidence interval for the population mean, round to two decimal places
Determining the probability that the sample mean : A sample of 16 observations is selected and a sample mean computed. What is the probability that the sample mean is more than 20?
MS60056E International Trade, Finance and Investment : MS60056E International Trade, Finance and Investment Assignment Help and Solution - University of West London, UK. Writing a comprehensive report
What is the probability that the sample mean : A sample of 16 observations is selected and a sample mean computed. What is the probability that the sample mean is more than 20?
Significant difference in mean blood pressure : A researcher fails to find a significant difference in mean blood pressure in 36 matched pairs. The test was carried out with a power of 85%.
Sodium content exceeds the desired level : Is there evidence at a = 0.005 that the standard deviation of the sodium content exceeds the desired level? Assume the population is normally distributed.
Confidence interval for the mean weekly salary : Calculate a 90% confidence interval for the mean weekly salary of all workers in the factory.
What new analytics tool needs to be invented and why : What new Analytics tool needs to be invented and why? What personal needs do you have that would benefit from such a new tool?
What is the level of significance : What is being tested in this problem? Single proportion or single mean? What is the level of significance?

Reviews

Write a Review

Basic Statistics Questions & Answers

  On approximately what day did the most flies die

On approximately what day did the most flies die?- On what day during the first 100 days did the largest proportion of flies die?

  Should mobile home selling considered an outlier

Tthe United States during 1993 was $40,500. Assume the standard deviation was $8,500. Should a mobile home selling for $75,000 be considered an outlier? Explain why or why not.

  Given independent random variables with the means and

given independent random variables with the means and standard deviations below find the mean and standard deviation of

  Use chebyshev-s theorem to determine percent of values

Use Chebyshev's theorem to find what percent of the values will fall between 120 and 150 for a data set with mean of 135 and standard deviation of 7.5.

  Find best statistical test to use for the analysis of data

Six houses were selected and each appraiser provided an appraisal for each of the six houses. What would be the best statistical test to use for the analysis of this data?

  What is the probability of obtaining

1. Given: A normally distributed population with 150 and 24. If samples of size 36 are drawn at random, what is the probability of obtaining

  Find probability that better walks is on the fourth pitch

That successive pitches are independent of oneanother. Knowing this, the opposing team manager has instructed his hitters to not swing at anything. The better walks on the fourth pitch.

  Problem regarding the pediatric population

In a certain pediatric population, systolic blood pressure is normally distributed with mean 115 mm Hg and standard deviation 10 mm Hg. Find the probability that a randomly selected child from this population will have:

  What would the null and alternative hypotheses be

His assistant thinks the standard deviation is less than three feet. If the instructor were to conduct a test, what would the null and alternative hypotheses be

  Steel plates produced by a steel industry

Technically a population consisting of all steel plates produced by a steel industry company has an average length of 80 cm with a standard deviation

  Compute the percentile of the scores for students

Jorge's score on Exam 1 in his statistics class was at the 64th percentile of the scores for all students. His score falls at the mean score for all students.

  A cutting tool wears out with a time to failure that is

a cutting tool wears out with a time to failure that is normally distributed with a mean of 10 working days and a

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