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

Esk jewellery, You are working for the management of ESK Jewellery as a mar...

You are working for the management of ESK Jewellery as a marketing consultant. The main business of ESK Jewellery is the retailing of diamond jewellery. They opened their first sho

Variance, V ariance A measure of dispersion the variance represents...

V ariance A measure of dispersion the variance represents the average distance from any given observation in a series to the mean of that series in the units squared.

Journal entries on perpetual inventory system, I have to set up a chart for...

I have to set up a chart for a perpetual system. How Do I do this with credit card sales?

Test retest reliability, i have a scaled data on multiple questions from tw...

i have a scaled data on multiple questions from two different tests taken at different times for the same respondents, and now i want to calculate the reliability test manually but

What is an irrevocable letter of credit?, What is an irrevocable letter of ...

What is an irrevocable letter of credit? A permanent mail of credit score is a financial instrument used by banks to guarantee a customer's obligations to a supplier. It is perm

Probability, Mike sells on the average 15 newspapers per week (Monday – Fri...

Mike sells on the average 15 newspapers per week (Monday – Friday). Find the probability that 2.1 In a given week he will sell all the newspapers

Adjustments, office supplies on hand at year-end amounted to $100

office supplies on hand at year-end amounted to $100

Dispersion, importance of dispersion in statistics

importance of dispersion in statistics

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