T test for comparing two population means

Reference no: EM13107130

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 a=5, what is the test value?

Women Men

Sample Size 50 80

Mean Effect 7 6.95

Sample variance 3 4

Reference no: EM13107130

Questions Cloud

Find most appropriate way that sensemaking can applied : Determine the most appropriate way that "sensemaking" can be applied to health care organizations. Provide specific examples to support your response.

Critical value for t test : An average computer mouse inspector can inspect 50 mice per hour. The 48 computer mice inspectors at a particular factory can only insppect 46 mice per hour with a standard deviation of 10.

Teacher-s duties misconduct-influence teacher-s employment : Teacher's duties in order for misconduct to influence teacher's employment? Explain why or why not? What do you believe the guiding rule should be?

Express four of the main functions of law : Express four of the main functions of law. For each of the four functions you reference, provide a discussion, using at least one.

T test for comparing two population means : 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 a=5, what is the test valu..

What are independent samples : What are independent samples? What is a pooled estimate of variance and why do you need to calculate it? When do you use a dependent versus an independent sample t test?

Discuss the value of marketing to the consumer : Discuss the value of marketing to the consumer, the stakeholder and stockholder and adress the value you place on marketing.

Explain word mapping job opportunities : Prepare the diagram in PowerPoint or Word mapping job opportunities starting from, or advancing to, position focused on in final project.

How incentives stimulate positive organizational behaviors : How might incentives stimulate positive organizational behaviors? Discuss the place of rewards and punishments for organizational members. What is it important to know?

User Account

All Pages