Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. the community bank survey asked about net income a

The community bank survey asked about net income and reported the percent change in net income...

50.1K

Verified Solution

Question

Statistics

The community bank survey asked about net income and reportedthe percent change in net income between the first half of lastyear and the first half of this year. The mean change for the 120banks in the sample is 7.6%. Because the sample size is large, weare willing to use the sample standard deviation s = 20.5% as if itwere the population standard deviation σ. Does the 7.6% meanincrease provide evidence that the net income for all banks haschanged? Assumeα= 0.05. You must show all steps as outlined inclass to receive full credit.

Answer & Explanation Solved by verified expert
4.1 Ratings (541 Votes)
Given that population meanu76 standard deviation sigma 205 sample mean x 76 number n120 null Ho 76 alternate H1 76 level of significance alpha 005 from    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Civil Engineering
1.2K views

what is the junction low (i need traffic flow not current), plees i also need a reference ....

Accounting
1.2K views

Betty DeRose, Inc. operates two departments, the handling department and the packaging department. During April, the...

Physics
1.2K views

B D In a thick glass slab of thickness and refractive index n a cuboidal...

Physics
1.2K views

21 18 A rectangular loop carrying a current I is situated near a long straight...

Physics
1.2K views

Mg sin 1 sin 0 3 A block is projected with speed 20 m s...

Geometry
1.2K views

Set up and evaluate an integral to find the volume of the solid generated by...

Basic Math
1.2K views

NAME DATE 13 f x 2x 2 3x 5 A whole numbers IV B integers...

Basic Math
1.2K views

Suppose the binomial expansion of (4x + 5y)^n includes the term 1400000xy?.(A) The xy? term...

Calculus
1.2K views

How did you decide If f x x 5 2 then which of the following...

Accounting
1.2K views

FASB ASC 5-4 Current Value The FASB ASC has identified an area where current value...

Accounting
1.2K views

REQUIRED Study the information provided below andanswer the following questions. 1.1 Were there...

Accounting
1.2K views

Tarth enters into a contract with Mormont on September 1, 2022 to supply 100 axes...