MATH 225N Week 2 Statistics Quiz – Question and Answers

Week 1 Discussion: basic statistics data used in everyday life According to Holmes, Illowsky, and Dean (2019), statistics are utilized by most of us on a daily basis. I have chosen to talk about the long-term effects of intentional weight loss on diabetes

Week 2 Assignment: Frequency Tables Q & A 1. A data set is summarized in the frequency table below. Using the table, determine the number of values less than or equal to 5. Give your answer as a single number. For example if you found the number of values was 19, you would enter 19.

1/1POINTS Afitnesscenterclaimsthathemeanamountoftimethatapersonspendsathegym pervisitis33 minutes.Identifythenulhypothesis,H0,andthealternative hypothesis,Ha,intermsoftheparameterμ. H0:μ≠33;Ha:μ=33 H0:μ=33;Ha:μ≠33 H0:μ≥33;Ha:μ<33 H0:μ≤33;Ha:μ>33 AnswerExplanation Corectanswer: H0:μ=33;Ha:μ≠33 Letheparameterμ beusedtorepresenthemean.Thenulhypothesisisalways statedwithsomeform ofequality:equal(=),greaterthanorequalto(≥),orlessthan orequalto(≤).Therefore,i...

Question Devin is a researcher for a pharmaceutical company testing whether a new prescription pain medication causes patients to develop nausea. The medication would have to be scrapped if more than 6% of patients who take the medication develop nausea on a regular basis. Devin randomly selected 461 patients for a clinical trial of the medication and found that 27 of the patients developed nausea on a regular basis. What are the null and alternative hypotheses for this hypothesis test? {...

MATH 225N Week 8 Question and Answers, already graded A- An amateur astronomer is researching statistical properties of known stars using a variety of databases. They collect the absolute magnitude or MV and stellar mass or M⊙ for 30 stars. The … absolute magnitude of a star is the intensity of light that would be observed from the star at a distance of 10 parsecs from the star. This is measured in terms of a particular band of the light spectrum, indicated by the subscript letter, which in ...

MATH 225N Statistics Final EXAM – Chamberlain College of Nursing MATH 225N Statistics Final EXAM 1/1 POINTS A fitness center claims that the mean amount of time that a person spends at the gym per visit is 33 minutes. Identify the null hypothesis, H0, and the alternative hypothesis, Ha, in terms of the parameter μ. That is correct! H0: μ≠33; Ha: μ=33 H0: μ=33; Ha: μ≠33 H0: μ≥33; Ha: μ<33 H0: μ≤33; Ha: μ>33 Answer Explanation Correct answer: H0: μ=33; Ha: μ≠33 Let th...

MATH 225N Week 6 Discussion, Confidence Interval, Latest-In everyday terms, a confidence interval is the range of values around a sample statistic (such as mean or proportion) within which clinicians can expect to get the … same results if they repeat the study protocol or intervention, including measuring the same outcomes the same ways. As you ask yourself, “Will I get the same results if I use this research?”, you must address the precision of study findings, which is … by the Confide...