Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

How much do users pay for Internet service? Here are the monthly fees (in dollars) paid by a random sample of 50 users of commercial Internet service providers in August 2000:
20 40 22 22 21 21 20 10 20 20
20 13 18 50 20 18 15 8 22 25
22 10 20 22 22 21 15 23 30 12
9 20 40 22 29 19 15 20 20 20
20 15 19 21 14 22 21 35 20 22
(a) Make a plot of the data (this could be a histogram, stemplot, boxplot, or normal probability plot). Be sure to describe what the plot looks like. Are the t procedures justified? describe.

(b) Give a 95% confidence interval for the mean monthly cost of Internet access in August 2000.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M944863

Have any Question? 


Related Questions in Statistics and Probability

Two fair dice are rolled let one of the dice be red and the

Two fair dice are rolled. Let one of the dice be red and the other green so that we can tell them apart. Let be the sum of the two values shown on the dice and be the difference (red minus green) of the two values shown ...

A major dvd-of-the-month club collected data on the reasons

A major DVD-of-the-month club collected data on the reasons for returned shipments during a quarter. Results are: Wrong Selection, 50,000; Refused, 195,000; Wrong Address, 68,000; Order Canceled, 5000; and Other, 15,000. ...

A white noise process xt with a psd ofnbspnbspis passed

A white noise process, X(t) with a PSD of   is passed through a finite time integrator whose output is given by Find the following: (a) the PSD of the output process, (b) the total power in the output process, (c) the no ...

The iq of a randomly chosen individual is modeled using a

The IQ of a randomly chosen individual is modeled using a Gaussian random variable. Given that 50% of the population have an IQ above 100 (and 50% have an IQ below 100) and that 50% of the population have an IQ in the ra ...

East and west for this discussion please discuss the

East and West: for this discussion, please discuss the cultural differences between the two and how those differences were exacerbated by historical events. How much of the east-west rift remains as a part of global cult ...

Q1 consider the following simple linear regression models

Q1. Consider the following simple linear regression models for data (x 1 , y 1 ), (x 2 , y 2 ), . . . (x n , y n ): M 1 : y i = β 0 + β 1 x i + ε i , i = 1, 2, . . . , n M 2 : y i = α 0 + α 1 (x i - x¯) + ε i , i = 1, 2, ...

Suppose that 4 of all adults suffer from diabetes and that

Suppose that 4% of all adults suffer from diabetes and that 29% of all adults are obese. Suppose also that 2% of all adults both are obese and suffer from diabetes. (a) Find the probability that a randomly chosen adult i ...

A student applies for a summer internship at 3 different

A student applies for a summer internship at 3 different companies. Given this student's previous work experience and grades, there is a 30% chance of getting an internship offer at any company. Getting an offer from one ...

A communication system transmits bits over a channel such

A communication system transmits bits over a channel such that the probability of being received in error is P=0.02 . Bits are transmitted in blocks of length 1023 bits and an error correction scheme is used such that bi ...

Question 1 a survey of a snp single nucleotide polymorphism

Question 1. A survey of a SNP (Single Nucleotide Polymorphism) site segregating for nucleotides  C  and G  in a chimpanzee population found the following numbers of the different genotypes: C/C C/G G/G 11 42 64 What is t ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

A cola-dispensing machine is set to dispense 9 ounces of

A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf

What is marketingbullwhat is marketing think back to your

What is Marketing? • "What is marketing"? Think back to your impressions before you started this class versus how you

Question -your client david smith runs a small it

QUESTION - Your client, David Smith runs a small IT consulting business specialising in computer software and techno

Inspection of a random sample of 22 aircraft showed that 15

Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise

Effective hrmquestionhow can an effective hrm system help

Effective HRM Question How can an effective HRM system help facilitate the achievement of an organization's strate