Practical Math questions

User Generated

nzvan2467

Mathematics

Unformatted Attachment Preview

Math | Graded Assignment | Unit Test, Part 2 | Working with Data Name: Date: Graded Assignment Unit Test, Part 2: Working with Data Answer the questions. When you have finished, submit this assignment to your teacher by the due date for full credit. (9 points) 1. The data set shows the fuel efficiencies, in miles per gallon, of the vehicles featured in a car-buying guide. 26 31 40 28 19 23 35 38 43 46 28 Score 30 A. What is the five-number summary of the data set? B. What is the range of the data set? Show your work. C. What is the interquartile range (IQR) of the data set? Show your work. Answer: © 2013 K12 Inc. All rights reserved. Copying or distributing without K12’s written consent is prohibited. Page 1 of 2 Math | Graded Assignment | Unit Test, Part 2 | Working with Data (11 points) 2. The data set shows the weights of pumpkins, in pounds, that are chosen for a photograph in a farming magazine. 18 22 14 30 Score 26 A. What is the mean, x , of the data set? B. What is the sum of the squares of the differences between each data value and the mean? Use the table to organize your work. x x−x (x − x) 2 Sum: C. What is the standard deviation of the data set? Use the sum from Part B and show your work. D. A second group of pumpkins, with weights of 32, 35, 33, 34, and 36 pounds, are chosen for another photograph. Will the standard deviation of these weights be greater or less than the standard deviation found in Part C? Answer this without doing a calculation and explain your reasoning. Answer: Your Score © 2013 K12 Inc. All rights reserved. Copying or distributing without K12’s written consent is prohibited. ___ of 20 Page 2 of 2
Purchase answer to see full attachment
User generated content is uploaded by users for the purposes of learning and should be used following Studypool's honor code & terms of service.

Explanation & Answer


Anonymous
I was struggling with this subject, and this helped me a ton!

Studypool
4.7
Trustpilot
4.5
Sitejabber
4.4

Related Tags