The time necessary to complete an examination has a mean of 45 minutes and a standard deviation of 4 minutes. The average time necessary for 64 randomly selected students is computed.
What is the mean of the sampling distribution of 
?
______________
What is the standard deviation of the sampling distribution of 
?
______________
Can we say that the sampling distribution of 
is approximately normally distributed?
______________
Why?
________________________________________________________
Correct Answer:
Verified
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Q112: Given a sampling distribution of the sample
Q113: Given N = 1,000, n = 30,
Q114: When drawing all possible simple random samples
Q115: When a sample is selected at random
Q116: A numerical descriptive measure calculated from the
Q118: A numerical descriptive measure calculated from the
Q119: If the monthly rent of all one-bedroom
Q120: Which of the following correctly describes the
Q121: The distribution of the time that a
Q122: A cluster sample is a simple random
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents