Math302 week 3 Study guides, Class notes & Summaries

MATH302 WEEK 8 PRACTISE TEST 2/27/2020 APUS CLE : MATH302 B007 Win 20 : Tests & Quizzes 0.0/ 1.0 Points 1.0/ 1.0 Points 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 schoverify this, they categorize GPA’s into 4 groups and look up the...

MATH302 WEEK 7 TEST Part 1 of 7 - Linear Regression and Correlation; Outliers and Values of Correlation 2.0/ 2.0 Points Question 1 of 20 1.0/ 1.0 Points 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?  A. Cannot be determined with the given information  B. No  C. Yes Answer Key: C Feedback: Plug in -1.59 for x. y = 5 + .3*-1.59 ...

MATH302 WEEK 7 TEST Part 1 of 7 - Linear Regression and Correlation; Outliers and Values of Correlation 2.0/ 2.0 Points Question 1 of 20 1.0/ 1.0 Points 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?  A. Cannot be determined with the given information  B. No  C. Yes Answer Key: C Feedback: Plug in -1.59 for x. y = 5 + .3*-1.59 ...

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...

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 ...

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 4 Knowledge Check Homework Practice Questions Return to Assessment List 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...

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...

Week 1 Knowledge Check Homework Practice Questions Return to Assessment List 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...