sAMPLING mETHOD, Basic Statistics

Assignment Help:
A toothpaste company wants to know if its new product increases the length of time in between dentist
visits for its users. The company sets a target of 180 days to determine if its product prevents dentist visits
longer than other toothpastes. A random sample of 49 customers is taken with a mean of 186 days and a
standard deviation of 20. Set up a one-tailed test at 0.01 level.

Related Discussions:- sAMPLING mETHOD

Introduction of management accounting, Introduction of Management Accountin...

Introduction of Management Accounting Management accounting or managing sales is worried with the conditions and use of sales details to professionals within companies, to off

Interpolation and extrapolation, What is meant by interpolation and extrapo...

What is meant by interpolation and extrapolation. State the assumptions used for interpolation and extrapolation

Homework, The probability a computer will boot is .08. What is the least nu...

The probability a computer will boot is .08. What is the least number needed so that the probability at least two will boot is greater than .99?

What is portfolio ratio, Describe portfolio ratio, i need assignment help i...

Describe portfolio ratio, i need assignment help in portfolio ratio based questions.

Define payroll accounting, It's a fact of business–if an organization has w...

It's a fact of business–if an organization has workers, it has to account for paycheck and edge advantages. In this description of paycheck bookkeeping we'll present paycheck, e

Probability, A manufacturer of VCRs plans to purchase a particular componen...

A manufacturer of VCRs plans to purchase a particular component from suppliers A, B and C. 30% of the components are to be purchased from A, 20% from B and 50% from C. In the past,

Time series, explain tthe two uses of time serie, and the four components o...

explain tthe two uses of time serie, and the four components of time series?

Bond redemption, Bond redemption The regaining of control of bonds formerly...

Bond redemption The regaining of control of bonds formerly issued by expense of amount due to the owner.

Define why equipment show up on a profit and loss statement, Define why Equ...

Define why Equipment show up on a profit and loss statement? The buy of devices that will be used in a business is not revealed on the revenue and reduction declaration. Howeve

Write Your Message!

Captcha
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!

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