Math 302 final exam 2 - Study guides, Class notes & Summaries

MATH 302 FINAL EXAM 1 – QUESTION AND ANSWERSMATH 302 FINAL EXAM 1 – QUESTION AND ANSWERS Part 1 of 16 - 2.0/ 2.0 Points Question 1 of 23 1.0 / 1.0 Points A company operates four machines during three shifts each day. From production records, the data in the table below were collected. At the .05 level of significance test to determine if the number of breakdowns is independent of the shift. Machine Shift A B C D 1 41 20 12 16 2 31 11 9 14 3 15 17 16 10 • A. The number of...

MATH 302 FINAL EXAM 2 – QUESTION AND ANSWERS/MATH 302 FINAL EXAM 2 – QUESTION AND ANSWERS/MATH 302 FINAL EXAM 2 – QUESTION AND ANSWERS

MATH 302 Quiz 4 Week 4 Knowledge Check – Question and Answers Part 1 of 6 – Calculations of Probabilities 1.A dishwasher has a mean life of 11.5 years with an estimated standard deviation of 1.5 years (“Appliance life 0.0/ 1.0 Points 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. Find the area under the standard normal distribution to the left o...

MATH 302 Final Exam 2 - Question and Answers Part 1 of 16 - 2.0/ 2.0 Points Question 1 of 23 1.0/ 1.0 Points The data presented in the table below resulted from an experiment in which seeds of 5 different types were planted and the number of seeds that germinated within 5 weeks after planting was recorded for each seed type. At the .01 level of significance, is the proportion of seeds that germinate dependent on the seed type? Seed Type Observed Frequencies Germinated Failed to Germ...

MATH 302 Final Exam 2 - Question and Answers

MATH 302 Quiz 1 Set 1 – Question and Answers An advertisement for a car states that it is 10% more powerful than its competitor. This is an example of A scatterplot allows one to see: Which of the following are the two most commonly used measures of variability? A histogram that has a single peak and looks approximately the same to the left and right of the peak is called: What kind of relationship between x and y is demonstrated by the scatter plot below? Which of the following statem...

MATH 302 Quiz 1 Part 1 of 3 A histogram that is positively skewed is also called Researchers may gain insight into the characteristics of a population by examining a A variable is classified as ordinal if: A sample of 20 observations has a standard deviation of 4. The sum of the squared deviations from the sample mean is: A pareto chart does NOT have which of the following properties? What type of graph is the figure below? Numerical variables can be subdivided into which two types? ...

MATH 302 Quiz 1 Set 1 – Question and Answers An advertisement for a car states that it is 10% more powerful than its competitor. This is an example of A scatterplot allows one to see: Which of the following are the two most commonly used measures of variability? A histogram that has a single peak and looks approximately the same to the left and right of the peak is called: What kind of relationship between x and y is demonstrated by the scatter plot below? Which of the following statem...

MATH 302 Final Exam – Question and Answers PART 1 OF 16 A company operates four machines during three shifts each day. From production records, the data in the table below were collected. At the .05 level of significance test to determine if the number of breakdowns is independent of the shift. The chi-square goodness-of-fit test can be used to test for: PART 2 OF 16 In a simple linear regression analysis, the following sum of squares are produced: ____________ is/are especially helpf...

MATH 302 QUIZ 1 – QUESTION AND ANSWERS – SET 1 Question 1 of 20 1.0 / 1.0 Points An advertisement for a car states that it is 10% more powerful than its competitor. This is an example of • A. detached statistics • B. suspect samples • C. changing the subject • D. ambiguous averages Answer Key: A Question 2 of 20 0.0 / 1.0 Points A scatterplot allows one to see: • A. whether there is any relationship between two variabl...