Test of hypothesis, Basic Statistics

Assignment Help:
A toothpaste company wants to know if its new products increases the length of time in between dentists visits for its uses. The company sets a target of 180 days to determine if its products prevents dentists visit longer than other toothpastes. A random samples of 49 customers is taken with a mean of 168 days and standard deviation of 20. Set up a one tail test with an Alpha equals to 0.05.

Related Discussions:- Test of hypothesis

Quartile Deviation, Quartile Deviation The range as a measure of dispersio...

Quartile Deviation The range as a measure of dispersion discussed above has certain limitations. It is based on two extreme items and it fails to take account of the scatter withi

What is single entry system?, 1. What is Single Entry System? Ans. In...

1. What is Single Entry System? Ans. In Accounting, The program under which only one part of entrance or bookkeeping go is registered is known as single Entry System, they ar

Eye, the near point of hypermetropic person is 75cm if the person uses eyeg...

the near point of hypermetropic person is 75cm if the person uses eyeglasses having power +1.0 D,calculate the distance of distinct vision

SPSS EXERCISES, IF PUNDIT 2 IS CORRECT, FEMROLE WILL HAVE (CIRCLE ONE)

IF PUNDIT 2 IS CORRECT, FEMROLE WILL HAVE (CIRCLE ONE)

Standard deviation, define standard deviation. their purpose,uses,advantage...

define standard deviation. their purpose,uses,advantages nd disadvantages,examples ,formula for grouped and ungrouped.

Topic 4 Anova excel worksheet, systolic blood pressure in different age gr...

systolic blood pressure in different age groups. the following table contains a random sample of 40 women partitioned into three groups...

estimate the mean chloride concentratio, An article in the Journal of Env...

An article in the Journal of Environmental Engineering (Vol. 115, No. 3,1989, pp. 608-619) reported the results of a study on the occurrence of sodium and chloride in surface str

Who is APPROVING MANAGER , APPROVING MANAGER An individual within an agenc...

APPROVING MANAGER An individual within an agency who is responsible for assigning buy card custodians and developing buy card limits within the organization.

Give the appropriate choice of the null hypothesis, 1 . Below are the point...

1 . Below are the points scored by the winning team in Week 10 of NFL professional football games this Fall, 2011. 24 17 44 13 21 24 30 20 37 26 17 22 27 37 37 45 a) Use thes

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