User Account

All Pages

What would be the null and alternative hypotheses

Assignment Help Basic Statistics
Reference no: EM132495770

You wish to see if a new blood pressure medication improves average blood pressure by more than 22.4 points, which is the average improvement on an old medication. Eighteen randomly selected people were given the medication, and their improvements were as follows:

25 27 18 20 29 15 31 33 15 25 26 15 23 29 21 16 29 19

A. What would be the null and alternative hypotheses?

B. What is the test statistic?

C. What is the p-value?

D. What is your conclusion and statement? Use a significance level of .05.

Reference no: EM132495770

Questions Cloud

Calculate the confidence intervals for µ : Use the sample information x¯x¯ = 43, s = 3, n = 11 to calculate the following confidence intervals for µ assuming the sample is from a normal
Significant value for the independent-measures : Assuming that there is a 5-point difference between two sample means, which set of sample characteristics is most likely to produce a significant value
Calculate the correlation coefficient : Assuming a linear relationship, calculate the correlation coefficient. Interpret the value of the coefficient of determination in relation to this situation.
State the null and alternative hypotheses-test statistic : A doctor claims that more than 75% of his patients are retired and on social security. A random sample of 52 patients revealed that 41 of them fit
What would be the null and alternative hypotheses : A. What would be the null and alternative hypotheses? B. What is the test statistic? C. What is the p-value?
Describe the sampling distribution of x overbar : Suppose a simple random sample of size n=81 is obtained from a population that is skewed right with mu equals 77 and sigma equals 9.
What are the test statistic and p-value : The average IQ for all people is 100 with a standard deviation of 15. You believe the students at your school have a higher average IQ than the general
Analyze each transaction : Purchased inventory on account for $235,000. Analyze each transaction and show the effect of each on the accounting equation for a corporation
What is Ameens net income : On January 1, 2013, Ameen Company purchased a building for $36 million. What is Ameen's 2018 net income

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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