Top Posters
Since Sunday
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
r
4
New Topic  
CountrySlim84 CountrySlim84
wrote...
Posts: 128
Rep: 0 0
A year ago

A group of young businesswomen wish to open a high fashion boutique in a vacant store but only if the average income of households in the area is at least $25,000. A random sample of 9 households showed the following results.

$28,000$24,000$26,000$25,000
$23,000$27,000$26,000$22,000
$24,000   


Assume the population of incomes is normally distributed.

a.Compute the sample mean and the standard deviation.
b.State the hypotheses for this problem.
c.Compute the test statistic.
d.At 95% confidence using the p-value approach, what is your conclusion?

Textbook 
Essentials of Statistics for Business and Economics

Essentials of Statistics for Business and Economics


Edition: 7th
Authors:
Read 62 times
1 Reply
Replies
Answer verified by a subject expert
brassgodbrassgod
wrote...
Posts: 140
Rep: 0 0
A year ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

CountrySlim84 Author
wrote...

A year ago
This site is awesome
wrote...

Yesterday
Correct Slight Smile TY
wrote...

2 hours ago
Thanks
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1327 People Browsing
 131 Signed Up Today
Related Images
  
 410
  
 378
  
 443
Your Opinion
What's your favorite coffee beverage?
Votes: 274

Previous poll results: What's your favorite math subject?