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MATH 120: Introduction to Statistics Lime Spring
MATH 120: Introduction to Statistics Lime Spring
[Show more]MATH 120: Introduction to Statistics Lime Spring
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MATH 120: Introduction to 
Statistics Lime Spring Week 
5 Quiz 2023 
1. Using the testscores in the table below, whatis the variance of the scores on the exam? (Round 
your answer to the nearest whole number.)<br /> 
A: 27 
2. Using the testscores in the table below, what is the standard devia...
Preview 1 out of 3 pages
Add to cartMATH 120: Introduction to 
Statistics Lime Spring Week 
5 Quiz 2023 
1. Using the testscores in the table below, whatis the variance of the scores on the exam? (Round 
your answer to the nearest whole number.)<br /> 
A: 27 
2. Using the testscores in the table below, what is the standard devia...
MATH 120: Introduction to 
StatisticsLime Spring Week 8 
Final Exam 
SCORED A+ 
1. 10 students take an exam and earn the following scores: 86, 96, 90, 92, 79, 94, 86, 74, 82, and 91 
What is the mean of the scores? 
A: 87. 
2. 10 students take an exam and earn the following scores: 86, 96, 90, 92, ...
Preview 2 out of 6 pages
Add to cartMATH 120: Introduction to 
StatisticsLime Spring Week 8 
Final Exam 
SCORED A+ 
1. 10 students take an exam and earn the following scores: 86, 96, 90, 92, 79, 94, 86, 74, 82, and 91 
What is the mean of the scores? 
A: 87. 
2. 10 students take an exam and earn the following scores: 86, 96, 90, 92, ...
MATH 120: Introduction to 
StatisticsLime Spring 
Week 6 Quiz 2023 
Scored A + 
1. Based on the linear regression, how much would you expect a 0.55 carat diamond to cost? 
A: $2,500 
2. Based on the linear regression, how much would you expect a diamond that costs $5,500 
to weigh? 
A: 0.90 carats...
Preview 1 out of 3 pages
Add to cartMATH 120: Introduction to 
StatisticsLime Spring 
Week 6 Quiz 2023 
Scored A + 
1. Based on the linear regression, how much would you expect a 0.55 carat diamond to cost? 
A: $2,500 
2. Based on the linear regression, how much would you expect a diamond that costs $5,500 
to weigh? 
A: 0.90 carats...
MATH 120: Introduction to 
Statistics Lime Spring 
Week 7 Quiz 2023 
Scored A + 
1. What is the impact of changing from the 90% confidence interval to the 99% confidence 
interval? 
A: The range of valuesincluded increases. 
2. What does decreasing the standard deviation of the sample do to the conf...
Preview 1 out of 2 pages
Add to cartMATH 120: Introduction to 
Statistics Lime Spring 
Week 7 Quiz 2023 
Scored A + 
1. What is the impact of changing from the 90% confidence interval to the 99% confidence 
interval? 
A: The range of valuesincluded increases. 
2. What does decreasing the standard deviation of the sample do to the conf...
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