Math302 week 2 knowledge Study guides, Class notes & Summaries
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Week 2 Knowledge Check Homework Practice Questions - SOLVED
- Exam (elaborations) • 14 pages • 2021
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Week 2 Knowledge Check Homework Practice Questions 
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Part 1 of 8 - Measures of the Spread of Data Knowledge Check Homework 1.0/ 3.0 Points 
Question 1 of 20 
 
 FTES 8 KB 
The population FTES for 2005–2006 through 2010–2011 was given in an updated report. The data are 
reported here. 
See Attached Excel for Data. 
Standard Deviation: 167 Calculate the standard deviation. Round to one decimal place. 
Answer Key: 167.0| 167 
Feedback: use =STDEV.S functio...
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Week 6 Knowledge Check Homework Practice Questions - SOLVED
- Exam (elaborations) • 17 pages • 2021
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Part 1 of 7 - Matched or Paired Samples Questions 2.0/ 2.0 Points 
Question 1 of 20 
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...
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MATH302 Week 2 TEST COMPLETE QUESTIONS AND ANSWERS 2023 GRADED A+.
- Exam (elaborations) • 14 pages • 2023
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MATH302 Week 2 TEST COMPLETE 
QUESTIONS AND ANSWERS 2023 
GRADED A+. 
Tests & Quizzes 
Tests & Quizzes 
Week 2 Knowledge Check Homework Practice Questions 
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Part 1 of 8 - Measures of the Spread of Data Knowledge Check Homework 
Question 1 of 20 
2.0/ 3.0 Points 
1.0/ 1.0 Points Cholesterol levels were collected from patients two days after they had a heart attack 
(Ryan, Joiner & Ryan, Jr, 1985). Find the standard deviation. 
See Attached Excel for Data. 
cholesterol 8...
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Week 4 Knowledge Check Homework Practice Questions - SOLVED
- Exam (elaborations) • 11 pages • 2021
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Part 1 of 6 - Calculations of Probabilities Questions 1.0/ 3.0 Points 
Question 1 of 20 
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 49.9 cm and a standard deviation of 3.74 cm 
(Ovegard, Berndt & Lunneryd, 2012). Assume the length of fish is normally distributed. What is the length in cm of 
the lo...
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Week 8 Knowledge Check Homework Practice Questions - SOLVED
- Exam (elaborations) • 18 pages • 2021
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Week 8 Knowledge Check Homework Practice Questions 
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Part 1 of 4 - Chi-Square Test for Homogeneity 4.0/ 8.0 Points 
Question 1 of 20 
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A college prep school advertises that their students are more prepared to succeed in college than other schools. To 
verify this, they categorize GPA’s into 4 groups and look up the proportion of students at a state college in each 
category. They find that 7% have a 0-0.99, 21% have a 1-1.99, 37% h...
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Week 1 Knowledge Check Homework Practice Questions - SOLVED
- Exam (elaborations) • 9 pages • 2021
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Week 1 Knowledge Check Homework Practice Questions 
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Part 1 of 5 - Section: Data & Sampling Knowledge Check Practice Questions 4.0/ 5.0 Points 
Question 1 of 20 
The first 50 people who walk into a sporting event are polled on their television preferences. What 
type of sampling was used? 
 A. Convenience 
B. Systematic 
C. Stratified 
D. Cluster 
Answer Key: A 
Question 2 of 20 
What is the sampling method used in the following scenario? A teacher wants to know if h...
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Week 5 Knowledge Check Homework Practice Questions - SOLVED
- Exam (elaborations) • 12 pages • 2021
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Week 5 Knowledge Check Homework Practice Questions 
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Part 1 of 4 - Z-interval for Unknown Questions 7.0/ 7.0 Points 
Question 1 of 20 
The FDA regulates that fresh Albacore tuna fish that is consumed is allowed to contain 0.82 ppm of 
mercury or less. A laboratory is estimating the amount of mercury in tuna fish for a new company and needs to have 
a margin of error within 0.03 ppm of mercury with 95% confidence. Assume the population standard deviation is 
0.138 ppm of...
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MATH 302 Week 7 Knowledge Check Homework Practice Questions
- Exam (elaborations) • 28 pages • 2021
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MATH302 B012 Win 20	Tests & Quizzes 
 
 
 
Tests & Quizzes 
 
MATH 302 Week 7 Knowledge Check Homework Practice Questions 
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Part 1 of 9 - Linear Regression and Correlation	1.0/ 2.0 Points 
 
 
 
Question 1 of 20 
 
A vacation resort rents SCUBA equipment to certified divers. The resort charges an 
 
 
0.0/ 1.0 Points 
 
up-front fee of $25 and another fee of $12.50 an hour. What is the dependent variable? 
 
 
•	 A. time 
 
• B. resort location 
 
• ...
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MATH 302 Week 7 Knowledge Check Homework Practice Questions
- Exam (elaborations) • 33 pages • 2021
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MATH302 B012 Win 20	Tests & Quizzes 
 
 
 
Tests & Quizzes 
 
Week 7 Knowledge Check Homework Practice Questions 
Return to Assessment List 
 
 
Part 1 of 9 - Linear Regression and Correlation	2.0/ 2.0 Points 
 
 
 
Question 1 of 20 
 
Due to erosion, a river shoreline is losing several thousand pounds of soil each year. A linear equation that expresses the total amount of soil lost per year is y = 12,000x. 
 
How many pounds of soil does the shoreline lose in a year? Answer:	12000 
 
 
 
1.0/...
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Week 3 Knowledge Check Homework Practice Questions with solutions
- Exam (elaborations) • 9 pages • 2021
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Week 3 Knowledge Check Homework Practice Questions 
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Part 1 of 6 - Binomial Distribution Knowledge Check Practice 4.0/ 5.0 Points 
Question 1 of 20 
A coin is flipped 30 times. Find σ². Do not round answer. Answer: 7.5 
Answer Key: 7.5 
Feedback: 
30*.5*.5 
Question 2 of 20 
It is known that 50% of adult workers have a high school diploma. If a random sample of 6 adult 
workers is selected, what is the probability that 3 or more of them have a high school diploma? ...
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