Use the following information to answer problems 13 and 14. Cholesterol levels among 14-year-old boys have an approximately Normal distribution with mean 170 mg/dl and standard deviation 30 mg/dl. You choose a simple random sample of 4 14-year-old boys and find the average of their cholesterol levels. If you do this many times, the mean of the average cholesterol levels in mg/dl you get will be close to TAST O 170/√√4=84 O 170/4 = 42.5 O 170
Use the following information to answer problems 13 and 14. Cholesterol levels among 14-year-old boys have an approximately Normal distribution with mean 170 mg/dl and standard deviation 30 mg/dl. You choose a simple random sample of 4 14-year-old boys and find the average of their cholesterol levels. If you do this many times, the mean of the average cholesterol levels in mg/dl you get will be close to TAST O 170/√√4=84 O 170/4 = 42.5 O 170
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 9PPS
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![Use the following information to answer problems 13 and 14.
Cholesterol levels among 14-year-old boys have an approximately Normal distribution with mean 170 mg/dl and standard deviation 30 mg/dl.
You choose a simple random sample of 4 14-year-old boys and find the average of their cholesterol levels. If you do this many times, the mean of the
average cholesterol levels in mg/dl you get will be close to
O 170/√√4=84
O 170/4 = 42.5
O 170](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faf6c3174-f071-4892-a981-9c51afb6153d%2F9c081dcd-fc7d-4d20-bba3-da8de662124c%2Fdqlmine_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Use the following information to answer problems 13 and 14.
Cholesterol levels among 14-year-old boys have an approximately Normal distribution with mean 170 mg/dl and standard deviation 30 mg/dl.
You choose a simple random sample of 4 14-year-old boys and find the average of their cholesterol levels. If you do this many times, the mean of the
average cholesterol levels in mg/dl you get will be close to
O 170/√√4=84
O 170/4 = 42.5
O 170
![You choose a simple random sample of 4 14-year-old boys and find the average of their cholesterol levels. If you do this many times, the standard
deviation of the average cholesterol levels in mg/dl you get will be close to
O 30
O 30/√√4-15
O 4/
√30
0.73
do
%
J+
8
D8
DII
T
J
12](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faf6c3174-f071-4892-a981-9c51afb6153d%2F9c081dcd-fc7d-4d20-bba3-da8de662124c%2Fvniqzs5_processed.jpeg&w=3840&q=75)
Transcribed Image Text:You choose a simple random sample of 4 14-year-old boys and find the average of their cholesterol levels. If you do this many times, the standard
deviation of the average cholesterol levels in mg/dl you get will be close to
O 30
O 30/√√4-15
O 4/
√30
0.73
do
%
J+
8
D8
DII
T
J
12
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