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

Decision-making, 'Statistics is the backbone of decision-making'. Comment.

'Statistics is the backbone of decision-making'. Comment.

Accounting Assumption, What are the consequences of non-compliance to each ...

What are the consequences of non-compliance to each accounting concepts?

Statistics, The amount of time it takes the IRS to send a refund to taxpaye...

The amount of time it takes the IRS to send a refund to taxpayers is normally distributed with a mean of 12 weeks and a standard deviation of 3 weeks. What proportion of the taxpay

Index, where i found an assignment about index?

where i found an assignment about index?

Isotopes and Isotones and Isobars , Isotopes Elements having same atomic ...

Isotopes Elements having same atomic number Z, but different A mass number for example 126C, 146C and 11H 21H, 31H are isotopes of carbon and hydrogen. Isotones Elements havi

What is the net book value of a noncurrent asset, What is the net book valu...

What is the net book value of a noncurrent asset? The net publication value of a noncurrent resource is the net quantity revealed on the stability piece for a long-term resourc

Business tax, Maria runs a small business out of her home. She has expense...

Maria runs a small business out of her home. She has expenses of $2,000 per year and uses the cash basis method of accounting. Her only employee is her cousin who works for her pa

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