Thursday
April 24, 2014

Homework Help: statistics

Posted by jabrony on Monday, November 28, 2011 at 1:31pm.

Before
33
33
38
33
35
35
40
40
40
31
After
34
28
25
28
35
33
31
28
35
33
Ten different families are tested for the number of gallons of water per day they use before and after viewing a conservation video. Construct a 90% confidence interval for the mean of the differences.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Math-statistics - The annual sales, in millions of dollars, for 28 toy ...
psychology - Following are the speeds of 40 cars clocked by radar on a ...
stastics - Following are the speeds of 40 cars clocked by radar on a particular ...
Probability - a. What is the probability that a person selected at random from ...
Physics - What is the magnification of a 4 cm tall object placed 40 cm from a ...
physics - What is the magnification of a 4 cm tall object placed 40 cm from a ...
statistics - A researcher wants to determine if two brands of cigarettes contain...
statistics - A researcher wants to determine if two brands of cigarettes contain...
Math - The amount $180.00 is what percent greater than $135.00? A. 35% B. 75% C...
math - The amount $180.00 is what percent greater than $135.00? A. 35% B. 33.33...

Search
Members