After the pandemic hit and people were forced to spend more time indoors, there have been a suspicion among health professionals. that people are eating more and thus gaining weight. In 2018, the average weight of 192 pounds
After the pandemic hit and people were forced to spend more time indoors, there have been a suspicion among health professionals. that people are eating more and thus gaining weight. In 2018, the average weight of 192 pounds, and health experts want to know if that average weight of the American male has gone up during this pandemic.
d. A sample of 50 American males yeilded a sample average weight of 195 pounds and a sample standard deviation of 14.5 pounds. What is your conclusion at the 5% level of significance? (be sure to state your conclusion in the context of this problem)
e. Would your conclusion change if the level of significance were changed to 1%? Briefly explain.
(d)
The objective is to check that the average weight of the American male has gone up during this pandemic.
Let 
denote the population mean weight of American males .
Let n denote the sample size of American males.
Let 
denote the sample mean of American males.
Let s denote the sample standard deviation of American males
From the available information,
n= 50,
s =14.5
Step by step
Solved in 4 steps with 9 images
