Math 302 test Study guides, Class notes & Summaries
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![MATH302 Week 5 Test](/docpics/3800928/654cc5d290faf_3800928_121_171.jpeg)
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MATH302 Week 5 Test
- Exam (elaborations) • 15 pages • 2023
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1.	Question: The population standard deviation for the height of college football players is 2.7 inches. If we want to estimate a 95% confidence interval for the population mean height of these players with a 0.65 margin of error, how many randomly selected players must be surveyed? 
2.	Question: The population standard deviation for the height of college basketball players is 2.9 inches. If we want to estimate a 99% confidence interval for the population mean height of these players with a 0.45...
![MATH302 Week 5 Test](/docpics/4089107/658b05723e5f5_4089107_121_171.jpeg)
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MATH302 Week 5 Test
- Exam (elaborations) • 15 pages • 2023
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1.	Question: The population standard deviation for the height of college football players is 2.7 inches. If we want to estimate a 95% confidence interval for the population mean height of these players with a 0.65 margin of error, how many randomly selected players must be surveyed? 
2.	Question: The population standard deviation for the height of college basketball players is 2.9 inches. If we want to estimate a 99% confidence interval for the population mean height of these players with a 0.45...
![MATH302 Week 4 Test](/docpics/4042874/657f0edea2b49_4042874_121_171.jpeg)
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MATH302 Week 4 Test
- Exam (elaborations) • 17 pages • 2023
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1.	Question: A dishwasher has a mean life of 11.5 years with an estimated standard deviation of 1.5 years ("Appliance life expectancy," 2013). Assume the life of a dishwasher is normally distributed. Find the number of years that the bottom 10% of dishwasher would last. Round answer to 2 decimal places. 
2.	Question: The size of fish is very important to commercial fishing. A study conducted in 2012 found the length of Atlantic cod caught in nets in Karlskrona to have a mean of 47.8 cm and a s...
![MATH302 Week 4 Test](/docpics/4089009/658b010215051_4089009_121_171.jpeg)
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MATH302 Week 4 Test
- Judgments • 17 pages • 2023
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1.	Question: A dishwasher has a mean life of 11.5 years with an estimated standard deviation of 1.5 years ("Appliance life expectancy," 2013). Assume the life of a dishwasher is normally distributed. Find the number of years that the bottom 10% of dishwasher would last. Round answer to 2 decimal places. 
2.	Question: The size of fish is very important to commercial fishing. A study conducted in 2012 found the length of Atlantic cod caught in nets in Karlskrona to have a mean of 47.8 cm and a s...
![MATH302 Week 4 Test](/docpics/4042875/657f0ee17c0ba_4042875_121_171.jpeg)
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MATH302 Week 4 Test
- Exam (elaborations) • 17 pages • 2023
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- $34.99
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1.	Question: A dishwasher has a mean life of 11.5 years with an estimated standard deviation of 1.5 years ("Appliance life expectancy," 2013). Assume the life of a dishwasher is normally distributed. Find the number of years that the bottom 10% of dishwasher would last. Round answer to 2 decimal places. 
2.	Question: The size of fish is very important to commercial fishing. A study conducted in 2012 found the length of Atlantic cod caught in nets in Karlskrona to have a mean of 47.8 cm and a s...
![MATH302 Week 1 Test](/docpics/3733322/6540a30a92309_3733322_121_171.jpeg)
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MATH302 Week 1 Test
- Exam (elaborations) • 15 pages • 2023
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1.	Question: "Number of times per week" is what type of data in the scenario? A study was done to determine the age, the number of times per week, and the duration (amount of time) of residents using a local gym in San Antonio, Texas. The first car in the parking lot was selected randomly, and then the resident of every eighth car in the lot around the gym was interviewed. 
2.	Question: What is the sampling method used in the following scenario? The barista at a local Starbucks wants to determ...
![Week 6 Test 1 - American Public University MATH 302 | COMPLETED](/docpics/63d3afa5a44bc_2306303.jpg)
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Week 6 Test 1 - American Public University MATH 302 | COMPLETED
- Exam (elaborations) • 21 pages • 2023
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Week 6 Test 1 - American Public University MATH 302 | COMPLETED An adviser is testing out a new online learning module for a placement test. They 
wish to test the claim that on average the new online learning module increased placement 
scores at a significance level of α = 0.05. For the context of this problem, μD=μnew–μold where 
the first data set represents the new test scores and the second data set represents old test 
scores. Assume the population is normally distributed. 
H0: μD ...
![MATH302 Week 2 Test](/docpics/4088500/658af27ba1ef9_4088500_121_171.jpeg)
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MATH302 Week 2 Test
- Exam (elaborations) • 19 pages • 2023
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1.	Question: An instructor wants to compare spread (variation) of final grades of students in her online class and face-to-face class. The instructor selects 10 students randomly from each class and the following table shows the final grades of those students. See Attached Excel for Data. 
2.	Question: The lengths (in kilometers) of rivers on the South Island of New Zealand that flow to the Tasman Sea are listed below. Find the variance. See Attached Excel for Data. Use the Excel function to fin...
![MATH302 Week 1 Test Questions and Answers APU](/docpics/4247164/65a6d7daa7ec3_4247164_121_171.jpeg)
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MATH302 Week 1 Test Questions and Answers APU
- Exam (elaborations) • 15 pages • 2024
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1.	Question: "Number of times per week" is what type of data in the scenario? A study was done to determine the age, the number of times per week, and the duration (amount of time) of residents using a local gym in San Antonio, Texas. The first car in the parking lot was selected randomly, and then the resident of every eighth car in the lot around the gym was interviewed. 
2.	Question: What is the sampling method used in the following scenario? The barista at a local Starbucks wants to determ...
![MATH302 Week 7 Test](/docpics/3673834/65354f4401a00_3673834_121_171.jpeg)
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MATH302 Week 7 Test
- Exam (elaborations) • 47 pages • 2023
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1.	Question: The least squares regression line for a data set is yˆ=5+0.3x and the standard deviation of the residuals is 0.4. Does a case with the values x = 3.3, y = 7.2 qualify as an outlier? 
2.	Question: The least squares regression line for a data set is yˆ=5+0.3x and the standard deviation of the residuals is 0.52. Does a case with the values x = -1.59, y = 5.78 qualify as an outlier? 
3.	Question: The following data represent the weight of a child riding a bike and the rolling distance...
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