Interpretation of standard z-scores by given data

Assignment Help Basic Statistics

Reference no: EM1319407

Lewis earned 85 on his biology midterm and 81 on his history midterm. In the biology class the mean score was 79 with standard deviation 5. In the history class the mean score was 76 with standard deviation 3.

a) Convert each midterm score to a standard z score.

b) On which test did he do better compared to the rest of the class?

Reference no: EM1319407

Questions Cloud

Determining if z follows standard normal distribution : Determine following probabilities where Z follows standard Normal distribution?

Employment agreement between company and employee : A simple Google search should result in many examples. Please do not copy and paste an agreement. Instead, use the samples as a guide to develop your own verbiage for the employment agreement. Think and explore on the kinds of terms you want in yo..

Simplify all variables : Simplify all variables

Subnetting mask : Suppose a subnet with prefix 128.119.40.128/26. Provide an example of one IP address (of the form xxx.xxx.xxx.xxx) which can be allocated to this network.

Interpretation of standard z-scores by given data : In the biology class the mean score was 79 with standard deviation 5.

Purpose of aicpa code of professional conduct : Write a 350- to 750-word paper describing the purpose of the AICPA Code of Professional Conduct and why it is considered the foundation of ethical reasoning in accounting. Answer the following questions:

Designing an inventory management system : Xhemrock is a brake pad manufacturing company. This company utilizes the raw materials, like carbon powder, ash, iron, and resin. It wishes to design an inventory management system which will have the following attributes: The system must store th..

Explaining difference exists between proportion : At.05 level of significance, is there sufficient evidence to conclude that difference exists between proportion of cats and proportion of dogs which sleep more than 10 hours per day?

Illustrate what technologies are utilized : Illustrate what technologies are utilized. Describe the competitive environment within the industry. Is there a dominant firm.

User Account

All Pages