statistics
posted by jericho .
supposed that the average weight loss for someone on a diet is 15 pounds with the standard deviation of 4 pounds.
a sample of 18 adults enrolled a sswp have a mean weight loss of 15.83.
using 0.01 level of significance.

I don't know what "a sswp" is.
Use process in response to your previous post.
Respond to this Question
Similar Questions

Statisitics:Standard Deviation of Population and o
Standard Deviation of Population and of a Sample The weight of newborn children in the United States vary according to the normal distribution with mean 7.7 pounds and standard deviation 1.68 pounds. The government classifies a newborn … 
Statistics
The Gibbs Baby Food Company wishes to compare the weight gain of infants using their brand versus their competitorâ€™s brand. A sample of 40 babies using the Gibbs products revealed a mean weight gain of 7.6 pounds in the first 3 months … 
statistics
. A new diet is claimed to increase the speed of weight loss. A study with a large number of volunteers showed a mean weight loss of 3.5 pounds in a week. A random sample of 8 volunteers followed the diet and recorded their weight … 
statistics
the weights of shells follow a normal distribution. a random sample of 12 hybrid shells a a mean weight of 1.7 pounds with standard deviation 0.24 pounds. Find a 95 % confidence interval level for the mean weight if the fall catch … 
Statistics
Suppose that the weight of male babies less than 2 months old is normally distributed with mean 11.5 pounds and standard deviation 2.7 pounds. A sample of 36 babies is selected. What is the probability that the average weight of the … 
statistics
you have a box of 12 widgets whose average weight for each individual widget is 2.6 pounds with a standard deviation of 3.3 pounds. Based on this information, what is the mean, taken to 1 decimal place, for the sample average of the … 
statistics
You have a box of 15 widgets whose average weight for each individual widget is 10 pounds with a standard deviation of 4.0 pounds. Based on this information, what is the standard deviation, taken to 4 decimal places, for the sample … 
Statistics
Suppose that the weight of male babies less than 2 months old is normally distributed with mean 11.5 pounds and standard deviation 2.7 pounds. A sample of 36 babies is selected. What is the probability that the average weight of the … 
STATISTICS
A random sample of clients at a weight loss center were given a dietary supplement to see if it would promote weight loss. The center reported that the 100 clients lost an average of 34 pounds, and that a 95% confidence interval for … 
Statistics
If someone will explain how to work these problems out, that'll help me a ton! A weight loss program claims their patients loose an average of 3 pounds during the first month of the program but a consumer group believes the number …