User Account

All Pages

Compute the standard error of the sample mean

Assignment Help Basic Statistics
Reference no: EM132188322

A survey of 49 randomly selected iPhone owners showed that the purchase price has a mean of $680 with a sample standard deviation of $21. (Use z Distribution Table.)

  1. Compute the standard error of the sample mean. (Round your answer to the nearest whole number.)
  2. Compute the 99% confidence interval for the mean. (Use t Distribution Table.) (Round your answers to 3 decimal places.)
  3. To be 99% confident, how large a sample is needed to estimate the population mean within $7? (Round up your answer to the next whole number.)

Reference no: EM132188322

Questions Cloud

Explain the method of laboratory animal contamination : Select one zoonotic disease of a laboratory animal species, write an essay that IN DETAIL the following: Method of laboratory animal contamination by disease.
What technology and software application would you use : BSBWRT301 - Write Simple Documents - What technology and software application would you use to design and produce each of the following documents
State the null hypothesis and the alternate hypothesis : State the null hypothesis and the alternate hypothesis. (Round your answer to 2 decimal places.)
State the null hypothesis and the alternate hypothesis : 1. State the null hypothesis and the alternate hypothesis.
Compute the standard error of the sample mean : Compute the standard error of the sample mean. (Round your answer to the nearest whole number.)
How large of a sample is required : How large of a sample is required? (Round intermediate values to 3 decimal points. Round up your answer to the next whole number.)
Examine the levels of uncertainty and complexity for project : Determine the two (2) major risks associated with the project. Explain each of the identified risks.
How large a sample is required : How large a sample is required? (Round up your answer to the next whole number
Define connection between textbook and world you live in : The biology concepts presented in this course are taught in a way that encourages you to make the connection between textbook biology and biology that appears.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Convincing evidence to support the lawyer case

Taking stock An investor with a stock portfolio worth several hundred thousand dollars sued his broker due to the low returns he got from the portfolio.

  Comment on the ability of the emergency service unit

Comment on the ability of the emergency service unit to meet the desirable goal, assuming normality. What are some possible actions to consider?

  Review problem of paper consumption

Paper consumption. The histogram shows the 2004 per capita consumption of paper for 195 countries around the world (in kg per person per year).

  Compare these with the percentages specified by tchebysheff

question consider the following population71 89 65 97 46 52 99 41 62 8873 50 91 71 52 86

  Create interval estimate for true proportion of retirement

Formulate an 84% interval estimate for the true proportion of employees within one year of retirement in the entire corporation.

  What is the probability that the person is 31 or more years

a gmac mba new-matriculants survey provided the following data for 2018 students. given that a person applied to more

  Average commuting time for citizens

The Bureau of the Census reports that the average commuting time for citizens of both Baltimore, Maryland, and Miami, Florida is approximately 29 minutes (uMiami=29 and uBaltimore=29 minutes).

  Explain what dummy variables used to account for seasonality

Explain what dummy variables are and how they can be used to account for seasonality. Give an example of how you might use dummy variables to measure.

  Direct plate counting method

What errors can occur while performing a serial dilution / direct plate counting method?

  What is the ms using total ss

The analysis produces SS(within treatments) = 32, SS(between treatments) = 40, and SS(total) = 72. For this analysis, what is the MS(within treatments)?

  Calculating probability values using binomial distribution

Determine the probability that exactly 8 of them started smoking before 18 years of age.

  Researcher measures the amount of high fat foods

A researcher measures the amount of high fat foods (in grams) consumed by 6 rat subjects 1 day, 3 days, and 5 days following the introduction of a high fat diet

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd