Value of the appropriate test statistic

Reference no: EM13497806

An educational psychologist studies the effect of frequent testing on retention of class material. In on section of an introductory course(groupA), students are given quizzes each week. A second section of the same course (groupB) receives only two tests during the semester. At the end of the semester, both sections receive the same final exam, and the scores are summarized below. GroupA - Frequent test section: average final exam score = 94, variance = 11, n=35. GroupB - two tests: average final exam score = 82, variance = 17, n=29. Calculate and report the value of the appropriate test statistic to two decimal places.

Reference no: EM13497806

Questions Cloud

Method section is headed by the word method : The method section is headed by the word Method on the page. Subsection of method are

Distribution of daily sales was approximately normal : A researcher would like to determine whether a new tax on on cigarettes has had any effect on people's behavior. During the year before the tax was imposed, stores located in rest areas on the state freeway reported selling an average of mew = 629..

Structures in jungs model-the self-the ego-the shadow : Describe the following structures in Jung's model: the self, the ego, the shadow, the persona. What are some key similarities and differences between the self and the ego? Why is the shadow typically the more "evil" or "dark" aspect of our psyche ..

Appropriate test statistic to two decimal places : A researcher would like to determine whether a new tax on on cigarettes has had any effect on people's behavior. During the year before the tax was imposed, stores located in rest areas on the state freeway reported selling an average of mew = 629..

Value of the appropriate test statistic : An educational psychologist studies the effect of frequent testing on retention of class material. In on section of an introductory course(groupA), students are given quizzes each week. A second section of the same course (groupB) receives only tw..

Examine how the chemical tryptophan : A researcher would like to examine how the chemical tryptophan, contained in foods such as turkey, can affect mental alertness. A sample n=19 college students is obtained and each student's performance on a familiar video game is measured before a..

Examine how the chemical tryptophan : A researcher would like to examine how the chemical tryptophan, contained in foods such as turkey, can affect mental alertness. A sample of n=19 college students is obtained and each student's performance of a familiar video game is measured befor..

Effect of frequent testing on retention : An educational psychologist studies the effect of frequent testing on retention of class material. In on section of an introductory course(groupA), students are given quizzes each week. A second section of the same course (groupB) receives only tw..

Value of appropriate test statistic to two decimal places : A researcher would like to determine whether a new tax on on cigarettes has had any effect on people's behavior. During the year before the tax was imposed, stores located in rest areas on the state freeway reported selling an average of mew = 629..

User Account

All Pages