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You are given the following data. Test the claim that there…

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You are given the following...
You are given the following data. Test the claim that there is a difference in the means of the two groups. Use = 0.01.
Group A Group B
= 7 = 10
= 12 = 11
= 66 = 92
· State the null and alternate hypotheses
· Determine which test statistic applies, and calculate it
· Determine the critical value(s).
· State your decision: Should the null hypothesis be rejected?


2. A machine produces 9 inch latex gloves. A sample of 73 gloves is selected, and it is found that 58 are shorter than they should be. Find the 99% confidence interval on the proportion of all such gloves that are shorter than 9 inches.
Submitted: 8 years ago.Category: Math Homework
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Answered in 11 minutes by:
6/18/2010
Math Tutor or Teacher: chindhu,
 replied 8 years ago
chindhu
Category: Math Homework
Satisfied Customers: 798
Verified
Hi,

Thanks alot for the accepts.

In first question please rewrite the values.For group A and B what are mean µ, standard deviation s and sample size n .

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Customer reply replied 8 years ago

you're welcome but in this problem the information that you requested is not given in the text i re read and re read the problem. I was having the same issue

 

Group A Group B
= 7 = 10
= 12 = 11
= 66 = 92

 

 

i hope the

Math Tutor or Teacher: chindhu,
 replied 8 years ago

You are in write way, but I can't read those images.Please type it

Edited by John on 6/18/2010 at 4:24 AM EST
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Customer reply replied 8 years ago

group 1

x1=7

s2=12

n1=66

 

group 2

x2=10

s2=11

n2=92

 

i coulnt subsript the numbers next to the the x, s, n and i couldn't put the bar over the x

 

Customer reply replied 8 years ago

i hope that is better

Math Tutor or Teacher: chindhu,
 replied 8 years ago
Yes.I fine....Will give the answer soon.
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Math Tutor or Teacher: chindhu,
 replied 8 years ago
Hi,

Click here for the answer.
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