Advertising strategy significantly increased sales

Assignment Help Operation Management

Reference no: EM131117416

After the new advertising campaign was launched, a marketing study found that the sample mean spending for 300 respondents in the 18–35 age group was $75.86, with a sample standard deviation of $50.90. Is there sufficient evidence to conclude that the advertising strategy significantly increased sales in this age group with significance level of 5%?

one sample test for mean

H0: Population mean -<70

H1: Population mean >70

18-35 group= 300 respondents, sample mean spending =$75.86, sample standard deviation=$50.90, Significance level 5%

Therefore, z=$(75.86-70)/50.90/root300 =1.994

Critical Z value=

How can I get a critical Z value from here?

Reference no: EM131117416

Questions Cloud

Provide three justification for an increase to discretionary : provide three justifications for an increase to the four highest discretionary spending accounts. From the second e-Activity, provide three justifications for a decrease to the four highest discretionary spending accounts.

What is the amount of gross profit realized during 2011 : What is the amount of gross profit realized during 2011? What is the amount of inventory of unsold straight chairs on December 31,2011?

Find the transfer functions for the circuits : Write the dynamic equations and find the transfer functions for the circuits shown in Fig. 2.48.

The entire strategic-management process : A formal, in-depth case analysis requires you to utilize the entire strategic-management process. Assume your group is a consulting team asked by Polaris Industries, Inc. to analyze its external/internal environment and make strategic recommendatio..

Advertising strategy significantly increased sales : After the new advertising campaign was launched, a marketing study found that the sample mean spending for 300 respondents in the 18–35 age group was $75.86, with a sample standard deviation of $50.90. Is there sufficient evidence to conclude that th..

Objective of all organisations wishing to be successful : Excellence in customer service is the objective of all organisations wishing to be successful. However, there is often a gap between customer expectations and management perceptions of customer expectations. Organisations often fail to get close t..

Examine the disparity of your states budget allocation : From the first e-Activity, examine and evaluate the disparity of your state's budget allocation for education and property tax to the various localities.

A second organization in the same industry : Using your current work organization (or an organization of interest) and a second organization in the same industry as the subject matter, research the elements of business, compare and contrast the two selected organizations, and prepare an APA ..

How many us dollars will you need for your purchase? : You need to purchase 100,000 Canadian dollars with U.S. dollars. How many U.S. dollars will you need for your purchase

User Account

All Pages