Test statistic value-mean tests in large sample

Assignment Help Basic Statistics
Reference no: EM1321623

Find the test statistic value for two mean tests in large sample.

A pharmaceutical company is testing the effectiveness of a new drug for lowering cholesterol. As part of this trial, they wish to determine whether there is a difference between the effectiveness for women and for men. At α = .05, what is the test value?

 

Women

 Men

Sample size

 40

 70

Mean effect

7              

6.75

Sample variance

 2.5

4.5

a. 0.70

b. 1.97

c. 0.36

d. 1.42

Reference no: EM1321623

Questions Cloud

Properties of a discrete probability distribution : Illustrate that probability distribution of X satisfies properties of a discrete probability distribution.
Implementing stringed musical instrument class : Generate a Java test class which simulates utilizing your instrument class. a) Construct 10 examples of your instrument, b) tune your instruments, c) Start playing your instrument, d) Call your unique method, and e) Stop playing your instruments.
Case study on abercrombie & fitch : Using the objectives below discuss how those objectives apply to Abercrombie & Fitch or any Fashion industry. How has it struggled or succeeded relative to those objectives.
Assumed that brian will spend at least four hours per week : Notice it is assumed that Brian will spend at least 4 hours per week studying each of the 3 courses.
Test statistic value-mean tests in large sample : Find the test statistic value for two mean tests in large sample.
The benefits of outsourcing scm out-shadow the risks : The benefits of outsourcing SCM out-shadow the risks: Hence, the continuous adoption of the outsourcing strategies in modern retail sectors, for improved responsiveness and effectiveness, and increased performance. What is your opinion?
Compare the observed values of the test statistic : Compare your observed values of the test statistic in parts F & G. What conclusion do you reach from this comparison?
Program to count the number of times page is opened : Generate a page in order to count the number of times the page is viewed by the user in a single session. Each time page is refreshed or opened in the browser during the session counts as 1 page view.
Principle problem into manageable sub-problems : Write a detailed research plan of procedure for the goal you have articulated above. Divide the principle problem into manageable sub-problems. Using your responses to the previous questions, formulate a specific research problem, question, or hypoth..

Reviews

Write a Review

 

Basic Statistics Questions & Answers

  Generate a scatterplot with the linear regression line

A researcher selects a random example of college students and measures number of hours they spend watching television per week and their grade point average.

  Result the region of probability using normal curve

Use the continuity correction and describe the region of normal curve that corresponds to the indicated binomial probability. The probability of more than 50 right answers.

  Determining percentage of employees has de­pendents

Determine percentage of employees has 5 de­pendents? Of all employees which have at least one de­pendent, determine percentage has more than one?

  Computing probability values using the empirical rule

The ages of cars owned by all employees of a large company have a bell shaped distribution with a mean of 8 years and a standard deviation of 2 years. Using the empirical rule, find the approx. percentage of cars (owned by those employees) that are b..

  Determining the variance of firm-s profit

Determine the variance of firm's profit for the month.

  What is the probability that your mean flight

Assume that flight times from SAN to ATL are exponentially distributed with a mean of 4.5 hours and a standard deviation of 0.2 hours. Assume that you must fly from SAN to ATL weekly for the lucrative consulting engagement for one year (52 flight..

  Test whether the mean weight is less

Compute the value of t. What is your decision regarding the null hypothesis?

  Correlation coefficient and linear regression equation

Determine if there is a linear correlation between annual income and the amount of insurance? What is the linear regression line for this data?

  Chi-square test for independence of attributes

What is the OR of getting cancer fora late child birth woman compared to an early first birth woman?

  Conditional and marginal probability

Find the probability that a women develops breast cancer given that she has a family history of breast cancer._____________

  Data in the scatterplot

The data in the scatterplot below are an individual's weight and the time it takes (in seconds) on a treadmill to raise his or her pulse rate to 140 beats per minute. The o's correspond to females and the +'s to males.

  Elucidate correlation coefficient of determination

Elucidate correlation coefficient of determination R-square also Adjusted R-square. A computer utility was implimentated to the data collected in a study of a generalized health.

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