Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

A group of 25 internet shoppers were asked how much they invest per year on the Internet. Their responses (in dollars) are given below.

418 379 77 212 378
363 434 348 245 341
331 356 423 330 247
351 151 220 383 257
307 297 448 391 210

Find out a 95% confidence interval for mean amount spent by all Internet shoppers

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M921256

Have any Question? 


Related Questions in Statistics and Probability

At stats high there is a difficult exam that every junior

At Stats High, there is a difficult exam that every junior takes. Over the last 5 years, the exam results are normally distributed with a mean of 35% and a standard deviation of 7%. If your friend takes the exam and rece ...

1 what can researchers do to minimize error variance2

1. What can researchers do to minimize error variance? 2. Discuss the trade-off between internal and external validity. Which is more important? Explain.

1 suppose the mean test scores for a college enter exam is

1) Suppose the mean test scores for a college enter exam is normally distributed with mean = 78 and standard deviation = 12. a). If an individual student is selected at random, what is the probability that this student's ...

Packages of sugar bags for sweeter sugar inc have an

Packages of sugar bags for Sweeter Sugar Inc. have an average weight of 10 ounces and a standard deviation of 0.2 ounces. The weights of the sugar bags are normally distributed. What is the probability that 16 randomly s ...

Your company is seeking to forecast demand for the next

Your company is seeking to forecast demand for the next month based on the information given in the following table: Month May June July Aug Oct Sept Oct Nov Dec Demand 40 44 43 45 42 50 48 54 a. (6) Develop a forecast f ...

Hypothesesh0 there is no correlation between hours walking

Hypotheses H0 There is no correlation between hours walking and weight loss. H1 There is a positive correlation between hours walking and weight. H2 There is a negative correlation between hours walking and weight loss. ...

Part a - excel instructions for chi-square tests carrying

Part A - Excel Instructions for Chi-square Tests Carrying out Chi-square (χ 2 ) tests of independence We are considering prisoner behaviour data. There is a prison with six wings each with 100 prisoners. Prisoner behavio ...

Thirty percent of the time a sale at food shoppe is paid

Thirty percent of the time, a sale at Food Shoppe is paid using a store-issued credit card. A sample of 18 Food Shoppe sales is obtained. Let X represent the number of sales paid for using the store-issued credit card. W ...

The following data represents a random sample of number of

The following data represents a random sample of number of shares of a pharmaceutical company's stock traded for 20 days in 2000. 3.99 8.91 10.41 7.53 13.85 5.3 9.7 8.95 12.11 13.26 4.25 8.55 11.6 6.76 27.55 7.72 10.15 4 ...

All the customers who entered a store on a particular day

All the customers who entered a store on a particular day were given a surgery to fill out concerning their opinions of the service at the store? What type of sample is this? I can't decide between voluntary response or ...

  • 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

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen