Higher standard deviation of the second test

Assignment Help Basic Computer Science
Reference no: EM131040630

Test scores were recorded for students in a statistics class. The test scores for the first test had a standard deviation of 3.8 points. The scores from the second test had a standard deviation of 4.8 points. Choose the correct statement below.

The average test grade rose by one point, the scores of the second test were closer together than the first, the higher standard deviation of the second test indicates higher average scores on the second test than the first, or none of the above are true.

Reference no: EM131040630

Questions Cloud

Find the composite function : Show all work f(x) = 4/x2 and g(x) = 3 - 2x, find the composite function
How would these two diseases appear clinically : The early manifestations of non-Hodgkin lymphoma and Hodgkin lymphoma in lymphatic tissue appear differently. In terms of lymphatic presentation, how would these two diseases appear clinically?
Number of correct responses : The percentage score on a test varies directly as the number of correct responses. Rita answered 24 questions correctly and earned a score of 60%. What would her percentage score have been if she had answered 34 questions correctly?
Review for the geometric details of public swimming pools : Literature Review for the Geometric Details of public swimming pools - After each paragraph must put the reference in a "Harvard reference system".
Higher standard deviation of the second test : The average test grade rose by one point, the scores of the second test were closer together than the first, the higher standard deviation of the second test indicates higher average scores on the second test than the first, or none of the above a..
What are the arguments for and against such a policy : In Russ Nelson’s comments to Charlie, he recommends that Charlie block RICC employees from accessing social media sites such as Facebook and Twitter from their computers at work. What are the arguments for and against such a policy?
Labor optimization algorithm contribute towards productivity : Discuss why productivity is important, particularly in a healthcare organization. How do staffing models and labor optimization algorithms contribute towards productivity? During project management, productivity is also necessary. If a project is com..
Determine the total expenses : Kara's custom tees experienced fixed costs of $200 and variable costs of $5 a shirt. Write an equation that can be used to determine the total expenses encountered by Kara's Custom Tees.
Make the rental cost for company a : A truck can be rented from Company A for $140 a day plus $.20 per mile. Company B charges $80 a day plus $0.70 per mile to rent the same truck. How many miles must be driven in a day to make the rental cost for Company A a better deal than Company..

Reviews

Write a Review

Basic Computer Science Questions & Answers

  Business requirements drove the system''s initial development

Discuss how the business requirements drove the system's initial development. Describe the type and basic uses of the system, how the system has helped the organization, and any likely future development plans.

  Database schema for a customer sale

Database schema for a customer sale database scenario: customer(cust_id,cust_name) primary key(cust_id). Item(item_id,item_name,price) primary key(item_id)

  Strengths and weaknesses of the durkheimian and weberian

Compare and contrast the strengths and weaknesses of the Durkheimian and Weberian theories of legal change. Think about and include answers for the following the following issues: How adequate are their descriptions of the legal systems they analyze?..

  How to get value of column f

How to get value of column F (EA), G, H from EC sheet and How to get column I, J, K valuesto show in C,D ,E

  How many different colors could be represented with an rgb

How many different colors could be represented with an RGB scheme if only 3 bits were used to represent each RGB component (3 for R, 3 for G, 3 for B)?

  Discuss the issues of encryption and key management

Discuss the issues of encryption and key management in cloud computing, how it different for personal computers and traditional enterprising computing environments.(1300-1400 words)

  Eplain how have these trends challenged the health care

evaluate the impact of at least two major trends that occurred in the u.s. health care system during the twentieth

  Provide injective function from to and explain why injective

Provide an injective function from ? to ? and explain why it's injective

  Class structure with its instance fields and methods

What are the advantages of the Java object class structure with its instance fields and methods?

  Describe what physical, logical and port addresses

With respect to TCP/IP; a) Describe what physical, logical and port addresses are and why they are required. b) Provide a real example of a physical, logical and port address - this should be from your own computer on your own network, or a lab co..

  List uses that this type of computer could support

List uses that this type of computer could support for whichever division selected from above.Explain why you think the impact will or will not occur, cite sources when necessary, and justify your position using APA format.

  History of computers

Research project will have three major parts, so you can develop them in installments as you work through the course's topics. None of these topics are specifically covered in our course -- the objective is that you research the topics extensively.

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