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

  Developing a strong supply chain management process

Developing a strong Supply Chain Management (SCM) process to match IS system upgrades would provide what advantage(s)? In general, what will this process look like?

  Storing and compiling a large amount of data

Because information systems are able to store and compile a large amount of data, many people worry that, their private data will end up in the wrong hands. Explain your position.

  How to make circumstances easier to design and implement

Do you think that a database would make a design more complex to implement or make your circumstances easier to design and implement? Databases by nature reduce data redundancy which improves data integrity enabling you to reduce coding since you..

  Write a program keeps an appointment calendar in database

Write a program that keeps an appointment calendar in a database.

  How to understand the code perfectly without unclear steps

Finish the following hangman C++ program and make it run well as well as comment the program through to help me understand the code perfectly without unclear steps.

  From the analog to the digital age

From the Analog to the Digital Age

  Discuss advantages and disadvantages of ethernet technology

Broad-band LAN technology divides the available bandwidth of the cable system into multiple channels using a technique called

  What are real world problems

Roach (2007) asserts that IT departments must work more closely with workers on the factory floor, breaking down barriers that have traditionally divided the two groups. The author suggests ways to do this. Discuss a potential challenge that this ..

  Guidelines to pre-test the designed survey

One of the guidelines is to pre-test the designed survey on a few participants to see what might be unclear or weak in the survey design.

  Ipo chart and pseudocode

Start by analyzing the problem; use an IPO chart and pseudocode (or flowchart) to brainstorm the logic prior to start coding. Using Visual Studio code and test your program according to your pseudocode solution. Once you are satisfied with your progr..

  Write a program that accepts as input the mass

Write a program that accepts as input the mass,in grams, and density, in grams per cubic centimeters, and outputs the volume of the object using the formula: volume=mass/density. format your output to two decimal places

  Change your command prompt and append to the file

create a script file named "scales"5-5 (e.g. miller5-5) that performs the function described in Project 5-5

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