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1) The US Mint selects ten pennies from the production line
1) The US Mint selects ten pennies from the production line to test the hypothesis that the mean weight of each penny is at least 6 grams. The normally-distributed weights (in grams) of these pennies … read more
Ryan
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1.The US Mint selects ten pennies from the production line
1.The US Mint selects ten pennies from the production line to test the hypothesis that the mean weight of each penny is at least 6 grams. The normally-distributed weights (in grams) of these pennies a… read more
SusanAthena
Master's Degree
Master's Degree
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A watch manufacturer creates watch springs whose properties
A watch manufacturer creates watch springs whose properties must be consistent. In particular, the standard deviation in their weights must be no greater than 2.0 grams. Fifteen watch springs are sele… read more
Tom
Master's Degree
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A watch manufacturer creates watch springs whose properties
A watch manufacturer creates watch springs whose properties must be consistent. In particular, the standard deviation in their weights must be no greater than 4.0 grams. Fifteen watch springs are sele… read more
abozer
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A watch manufacturer creates watch springs whose properties
A watch manufacturer creates watch springs whose properties must be consistent. In particular, the standard deviation in their weights must be no greater than 2.0 grams. Fifteen watch springs are sele… read more
Tom
Master's Degree
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susan, A watch manufacturer creates watch springs whose properties
susan, A watch manufacturer creates watch springs whose properties must be consistent. In particular, the standard deviation in their weights must be no greater than 2.0 grams. Fifteen watch springs a… read more
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Master's Degree
Master's Degree
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1. The US Mint selects ten pennies from the production line
1. The US Mint selects ten pennies from the production line to test the hypothesis that the mean weight of each penny is 5 grams. The normally-distributed weights (in grams) of these pennies are as fo… read more
StatisticsExpert
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Doctoral Degree
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1. Is The blood pressures of the same group of 10 volunteers
1. Is The blood pressures of the same group of 10 volunteers before and after exercise independent or dependent 2. Is the average pulse rate of ten runners before a race, and average pulse rate of ano… read more
Osbert12
Master's Degree
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1.A watch manufacturer creates watch springs whose properties
1.A watch manufacturer creates watch springs whose properties must be consistent. In particular, the standard deviation in their weights must be no greater than 3.0 grams. Fifteen watch springs are se… read more
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Master's Degree
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A watch manufacturer creates watch springs whose properties
A watch manufacturer creates watch springs whose properties must be consistent. In particular, the standard deviation in their weights must be no greater than 4.0 grams. Fifteen watch springs are sele… read more
StatisticsExpert
Asst. Professor
Doctoral Degree
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4. The US Mint selects ten pennies from the production line
4. The US Mint selects ten pennies from the production line to test the hypothesis that the mean weight of each penny is at least 6 grams. The normally-distributed weights (in grams) of these pennies … read more
StatisticsExpert
Asst. Professor
Doctoral Degree
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A watch manufacturer creates watch springs whose properties
A watch manufacturer creates watch springs whose properties must be consistent. In particular, the standard deviation in their weights must be no greater than 2.0 grams. Fifteen watch springs are sele… read more
Scott
Master's Degree
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The pulse rate of a population of 20 volunteers is tested before
The pulse rate of a population of 20 volunteers is tested before and after exercise. In each case, the pulse rates are normally distributed. Can the z test be used to evaluate the difference in the me… read more
StatisticsExpert
Asst. Professor
Doctoral Degree
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4. The US Mint selects ten pennies from the production line
4. The US Mint selects ten pennies from the production line to test the hypothesis that the mean weight of each penny is 4 grams. The normally-distributed weights (in grams) of these pennies are as fo… read more
StatisticsExpert
Asst. Professor
Doctoral Degree
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PLEASE ANSWER IN SIMPLE TERMS THIS IS MY FIRST STATISTIC CLASS AND I WANT TO FULLY UNDERSTAND THE MATERIAL BEFORE TURNING IN. THANKS! 1. Classify as independent or dependent samples: Average pulse rat… read more
StatisticsExpert
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Doctoral Degree
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5. A watch manufacturer creates watch springs whose properties
5. A watch manufacturer creates watch springs whose properties must be consistent. In particular, the standard deviation in their weights must be no greater than 2.0 grams. Fifteen watch springs are s… read more
Chirag
Master's Degree
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5. A watch manufacturer creates watch springs whose properties
5. A watch manufacturer creates watch springs whose properties must be consistent. In particular, the standard deviation in their weights must be no greater than 3.0 grams. Fifteen watch springs are s… read more
R.R. Jha
Bachelor's Degree
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4. The US Mint selects ten pennies from the production line
4. The US Mint selects ten pennies from the production line to test the hypothesis that the mean weight of each penny is at most 6 grams. The normally-distributed weights (in grams) of these pennies a… read more
StatisticsExpert
Asst. Professor
Doctoral Degree
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