MATH 225N Week 7 Lab Assignment Complete solution guide) - Confidence Intervals CI) are basically the range of values we are fairly sure that our true values falls within. According to El-Masri, M. (2012), CI is one of the most dependable indicators of accurateness of our assumption. In week five, I gave the data for 10 nurses heights which was as follows: 60”, 68”, 66”, 65”, 65”. 67”, 63”, 65”, 68”, and 61”. I chose a convenience sample as I chose from 10 nurses in my workpl...

MATH 225N Week 7 Hypothesis Testing Questions and Answers (A+ Solutions) - 1. Steve listens to his favorite streaming music service when he works out. He wonders whether the service algorithm does a good job of finding random songs that he will like more often than not. To test this, he listens to 50 songs chosen by the service at random and finds that he likes 32 of them. Use Excel to test whether Steve will like a randomly selected song more than not and then draw a conclusion in the cont...

MATH 225N Week 1 Evidence, Claims and Types - Questions & Answers (already graded)-A study is … to research the effects of drinking coffee on hours of sleep. Would an experimental or … observational study design more appropriate? A researcher is … in the effects of watching videos just before bed on the quality of sleep. Which of the following claims would … appropriate for this situation? Select only one answer choice. In a psychological study aimed at testing a medicine for reducing ...

MATH 225N Week 7 Assignment Conduct a Hypothesis Test for Proportion – P-Value Approach Determine the p-value for a hypothesis test for proportion - A college administrator claims that the proportion of students that are nursing majors is greater than 40%. To test this claim, a group of 400 students are randomly selected and its determined that 190 are nursing majors. The following is the setup for this hypothesis test: H0:p=0.40 Ha:p>0.40 Find the p-value for this hypothesis test for a ...

MATH 225N WEEK 6 CONFIDENCE INTERVALS QUESTIONS AND ANSWERS GRADED 1. On a busy Sunday morning, a waitress randomly sampled customers about their preference for morning beverages, Specifically, she wanted to find out how many people preferred coffee over tea. The proportion of customers that preferred coffee was 0.42 with a margin of error 0.07. Construct a confidence interval for the proportion of customers that preferred coffee. (0.42 - 0.07), (0.42 + 0.07) = (0.35), (0.49) 2. A compan...

MATH 225N Week 4 Discussion, Probability (Graded A)-Consider when you are listening to a new patient who says they have had a fever for 3 days. You would use your knowledge and experience … with probability to come to a diagnosis. What changes those probabilities? Is it age, is it other symptoms, is it new study results? What is the source of these probabilities and what causes these … probabilities to change? This discussion is not to debate diagnoses, but to focus on the sources and influe...

Summary MATH 225N Week 7 Lab Assignment (Summer 2022/2023) Complete solution guide - Chamberlain.

Summary MATH 225N Week 7 Lab Assignment (Summer 2022/2023) Complete solution guide - Chamberlain.