1. MTH 540 Enthusiastic Studysnaptutorial.com

2. MTH 540 Learning Team Assignment Analysis of Performance of Humidity Indicator Cards Paper and Presentation For more classes visit www.snaptutorial.com MTH 540 Learning Team Assignment Analysis of Performance of Humidity Indicator Cards Paper and Presentation

3. MTH 540 Enthusiastic Studysnaptutorial.com MTH 540 Week 1 Individual Assignment Problem Set For more classes visit www.snaptutorial.com 1. Identify the population and the sample in the following study. A study of 163 patients with sleep disorders was conducted to find a link between obesity and sleep disorders. (Source:Archives of Internal Medicine 1998) 2. Determine whether the numerical value is a parameter or a statistic. (a) In a survey of a sample of parents, 53% said they protect their children from sun exposure using sunscreen. (Source: Morbidity and Mortality Weekly Report)

4. MTH 540 Enthusiastic Studysnaptutorial.com MTH 540 Week 2 Individual Assignment Problem Set For more classes visit www.snaptutorial.com 1. The following data set represents the repair costs (in dollars) for a random sample of 30 dishwashers. (Adapted from Consumer Reports) 5. In a survey of 2000 adults from the U.S. age 65 and over, 1320 received a flu shot. (Adapted from

5. MTH 540 Enthusiastic Studysnaptutorial.com MTH 540 Week 2 Learning Team Assignment For more classes visit www.snaptutorial.com Nielsen Media Research Case Study 1 1. Rating Points Each rating point represents 1,022,000 households or 1% of the households in the United States. Does a program with a rating of 8.4 have twice the number of households as a program with a rating of 4.2? Explain your reasoning. 2. Sampling Percent What percent of the total number of U.S. households is used in the Nielsen sample?

6. MTH 540 Enthusiastic Studysnaptutorial.com MTH 540 Week 3 Individual Assignment For more classes visit www.snaptutorial.com Section 7.3 #23 and 37 23. A microwave oven repairer says that the mean repair cost for damaged microwave ovens is less than $100.You work for the repairer and want to test this claim. You find that a random sample of five microwave ovens has a mean repair cost of $75 and a standard deviation of $12.50. At α = 0.01 do you have enough evidence to support the repairer’s claim?

7. MTH 540 Enthusiastic Studysnaptutorial.com MTH 540 Week 3 Learning Team Assignment Problem Set For more classes visit www.snaptutorial.com Case Study Chapter 6 1. A loggerhead sea turtle is classified as a juvenile if its shell length is less than 40 centimeters. How many of the turtles in the sample were juveniles?

8. MTH 540 Enthusiastic Studysnaptutorial.com MTH 540 Week 4 Individual Assignment Problem Set For more classes visit www.snaptutorial.com Chapter 10 Review Exercises #1-4 In Exercises 1 and 2, use a X² goodness-of-fit test to test the claim about the population distribution. Interpret the decision in the context of the original claim. 1.

9. MTH 540 Enthusiastic Studysnaptutorial.com MTH 540 Week 4 Learning Team Assignment Problem Set For more classes visit www.snaptutorial.com Case Study Chapter 9 1. Using your intuition, classify the following (x, y) pairs as having a weak correlation (0<r< 0.5) a moderate correlation or a (.5 <r < 0.8), strong correlation (.8<r<1.0) 2. Now, use a technology tool to find the correlation coefficient for each pair in Exercise 1. Compare your results to those obtained by intuition.

10. MTH 540 Enthusiastic Studysnaptutorial.com MTH 540 Week 5 Individual Assignment Problem Set For more classes visit www.snaptutorial.com 1. Construct a scatter plot for the data. Do the data appear to have a positive linear correlation, a negative linear correlation, or no linear correlation? Explain 2. Calculate the correlation coefficient r. What can you conclude? 4. Find the equation of the regression line for the data. Include the regression line in the scatter plot.

11. MTH 540 Enthusiastic Studysnaptutorial.com MTH 540 Week 5 Learning Team Assignment Hypothesis Testing and Regression Analysis For more classes visit www.snaptutorial.com MTH 540 Week 5 Learning Team Assignment Hypothesis Testing and Regression Analysis

12. MTH 540 Enthusiastic Studysnaptutorial.com