Math302 week 2 test 2 - Study guides, Class notes & Summaries

MATH 302 Week 2 TEST 1/19/2020 APUS CLE : MATH302 B006 Win 20 : Tests & Quizzes 1.0/ 1.0 Points 1.0/ 1.0 Points Week 2 Knowledge Check Homework Practice Questions Return to Assessment List Part 1 of 8 - Measures of the Spread of Data Knowledge Check Homework 3.0/ 3.0 Points Question 1 of 20 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...

MATH302 Week 2 TEST COMPLETE QUESTIONS AND ANSWERS 2023 GRADED A+. Tests & Quizzes Tests & Quizzes Week 2 Knowledge Check Homework Practice Questions Return to Assessment List 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...

MATH302 Week 3 TEST COMPLETE QUESTIONS AND ANSWERS 2023 GRADED A+. Part 1 of 6 - Binomial Distribution 4.0/ 5.0 Points Question 1 of 201.0/ 1.0 Points A coin is flipped 30 times. What is the probability of getting 15 or more heads? Round answer to 4 decimal places. Answer: 0.5722 Answer Key:0.5722|.5722 Feedback: P(x f$displaystyle geq 15)f$ = 1 - P(x f$displaystyle leq 14)f$ in Excel =1-BINOM.DIST(14,30,0.5,TRUE) Question 2 of 200.0/ 1.0 Points Approximately 10% of all people are le...

MATH302 Week 5 TEST COMPLETE QUESTIONS AND ANSWERS 2023 GRADED A+. Part 1 of 4 - Z-interval for Unknown Questions 7.0/ 7.0 Points Question 1 of 20 1.0/ 1.0 Points There is no prior information about the proportion of Americans who support gun control in 2019. If we want to estimate 93% confidence interval for the true proportion of Americans who support gun control in 2019 with a 0.18 margin of error, how many randomly selected Americans must be surveyed? Answer: (Round up your answer t...

Week 6 Knowledge Check Homework Practice Questions Return to Assessment List 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...

Week 8 Knowledge Check Homework Practice Questions Return to Assessment List Part 1 of 4 - Chi-Square Test for Homogeneity 4.0/ 8.0 Points Question 1 of 20 Click to see additional instructions 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...

Week 2 Knowledge Check Homework Practice Questions Return to Assessment List 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...

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 Which of the following equations are linear? A. 8x3+4y2  B. y=6x+8 C. 3y=6x+5y2 D. y-x=8x2 Answer Key: B Feedback: A linear equation is a linear line. If a problem has a squared or a cubed term, it isn't linear. It is a quadratic equation. Question 2 of 20 A vacation resort rents SCUBA equipment to certified divers. The ...

MATH 302 WEEK 1 TEST 2 Part 1 of 5 - Section: Data & Sampling 3.0/ 5.0 Points Question 1 of 20 1.0/ 1.0 Points What is the sampling method used in the following scenario? The barista at a local Starbucks wants to determine what proportion of the coffee users are teenagers. The barista has a tally sheet on which she marks whether the coffee order is for a teenager or adult. She records this data for every fifth patron who orders coffee.  A. systematic  B. cluster  C. conveni...

Week 5 Knowledge Check Homework Practice Questions Return to Assessment List 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...