× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
r
4
L
4
3
d
3
M
3
l
3
V
3
s
3
d
3
a
3
g
3
j
3
New Topic  
Theleeman Theleeman
wrote...
Posts: 817
Rep: 0 0
6 years ago
A lathe is set to cut bars of steel into lengths of 6 centimeters. The lathe is considered to be in perfect adjustment if the average length of the bars it cuts is 6 centimeters. A sample of 121 bars is selected randomly and measured. It is determined that the average length of the bars in the sample is 6.08 centimeters with a standard deviation of .44 centimeters.
 a. Formulate the hypotheses to determine whether or not the lathe is in perfect adjustment.
  b. Compute the test statistic.
  c. Using the p-value approach, what is your conclusion? Let  = .05.
Read 74 times
1 Reply
Replies
Answer verified by a subject expert
lirpaprillirpapril
wrote...
Top Poster
Posts: 1142
Rep: 6 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

Theleeman Author
wrote...

6 years ago
Correct Slight Smile TY
wrote...

Yesterday
This site is awesome
wrote...

2 hours ago
Helped a lot
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1641 People Browsing
Related Images
  
 1461
  
 739
  
 444
Your Opinion
What percentage of nature vs. nurture dictates human intelligence?
Votes: 436