Find the variance and standard deviation of the data distribution

INSTRUCTIONS TO CANDIDATES

ANSWER ALL QUESTIONS

1.    The gas mileages​ (in miles per​ gallon) for 100cars are shown in the frequency distribution. 

(40 pts)

Gas (in miles/gallon)	Freq f	Relative  freq	Cum Freq.	Midpt x	x.f	x-x̅	(x-x̅)2	f(x-x̅)2
19 - 23
24 - 28
29 -33
34 -38
39 -43
44 -48
49 -53
54 -58

A)   Approximate the mean of the data distribution

B)   Calculate the relative and cumulative frequency (just fill out the table)

C)   Calculate the midpoints (use the table above)

D)   Find the deviation of each class (use the table above)

E)   Find the variance and standard deviation of the data distribution (use the table above

Attachments:

Related Questions

. The fundamental operations of create, read, update, and delete (CRUD) in either Python or Java

CS 340 Milestone One Guidelines and Rubric  Overview: For this assignment, you will implement the fundamental operations of create, read, update,

. Develop a program to emulate a purchase transaction at a retail store. This  program will have two classes, a LineItem class and a Transaction class

Retail Transaction Programming Project  Project Requirements:  Develop a program to emulate a purchase transaction at a retail store. This

. The following program contains five errors. Identify the errors and fix them

7COM1028   Secure Systems Programming   Referral Coursework: Secure

. Accepts the following from a user: Item Name Item Quantity Item Price Allows the user to create a file to store the sales receipt contents

Create a GUI program that:Accepts the following from a user:Item NameItem QuantityItem PriceAllows the user to create a file to store the sales receip

. The final project will encompass developing a web service using a software stack and implementing an industry-standard interface. Regardless of whether you choose to pursue application development goals as a pure developer or as a software engineer

CS 340 Final Project Guidelines and Rubric  Overview The final project will encompass developing a web service using a software stack and impleme