Course
MATH 225N Statistical Reasoning For The Health Sciences
MATH225N Week 1 Assignment: Evidence, Claims and Answers
MATH225N Week 1 Assignment: Comparing Sampling Methods
MATH 225N Week 2 Discussion: Graphing and Describing Data
MATH 225N Week 2 Assignment: Frequency Tables and Histograms
MATH 225N Week 2 Assignment: Frequency Tables
MATH 225N Week 2 Assignment: Stem and Leaf plots
MATH 225N Week 3 Discussion Central Tendency and Variation
MATH 225N Week 3 ...

Read More
# Archives

<p>Chamberlain University College of Nursing</p>

# [Answered] MATH 225N Week 7 Assignment: Construct Hypothesis… Proportions – Excel

Course
MATH 225N Statistical Reasoning For The Health Sciences
Week 7 Assignment: Construct Hypothesis Test for Proportions – Excel
Question: A CEO wondered if her company … either more or less complaint from its worker on Monday than any other day. she … that if it were truly random 20% of the complaint should have been filed on Monday she randomly … 50 complaints and checked that day that they were … in those complaints 13 were submitted on a Monday. does eeo conducts a non-...

Read More
# [Answered] MATH 225N Week 7 Assignment: Conducting a Hypothesis Test for Mean

Course
MATH 225N Statistical Reasoning For The Health Sciences
Week 7 Assignment: Conducting a Hypothesis Test for Mean – Population Standard Deviation Known; P-Value Approach
1. Question: What is the p-value of a two-tailed one-mean hypothesis test, with a test statistic of z0=−1.73? (Do not round your answer; compute your answer using a value from the table below.)…. z−1.8−1.7−1.6−1.5−1.40.000.0360.0450.0550.0670.0810.010.0350.0440.0540.0660.0790.020.0340.0430.0530.0640.0780.0...

Read More
# [Answered] MATH 225N Week 7 Discussion: Hypothesis Testing – Study

Course
MATH 225N Statistical Reasoning For The Health Sciences
Instructions
Describe a hypothesis test study that would help your work or conclusions in some way. Describe what variable would be tested and what would be your guess of the value of that variable. Then include how the result, if the null were rejected or not, might change your conclusions or actions in some way.
Solution
Assumptions about the underlying structure or result of the data are made, and then t...

Read More
# [Answered] MATH 225N Week 7 Lab Assignment – Confidence Intervals

Course
MATH 225N Statistical Reasoning For The Health Sciences
Week 7 Lab Assignment
Steps to Complete the Week 7 Lab
Step 1: Find these articles in the Chamberlain Library. Once you click each link, you will be logged into the Library and then click on “PDF Full Text”.
First Article: Confidence Intervals, Part 1 (Links to an external site.)
Second Article: Confidence Intervals, Part 2 (Links to an external site.)
Step 2: Consider the use of confidence intervals in...

Read More
# [Answered] MATH 225N Week 6 Assignment: Confidence Intervals – Empirical Rule

Course
MATH 225N Statistical Reasoning For The Health Sciences
MATH 225N Week 6 Assignment: Confidence Intervals – Empirical Rule
Question: In a random sample of 30young bears, the average weight at the age of breeding is Assuming the population ages are normally … with a population standard deviation is 30pounds, use the Empirical Rule to construct a 68%confidence interval for the population average of young bears at the age of breeding. Do not round intermediate calculations...

Read More
# [Answered] MATH 225N Week 6 Assignment Understanding Confidence Intervals-excel

Course
MATH 225N Statistical Reasoning For The Health Sciences
Week 6 Assignment Understanding Confidence Intervals
Question: In a random sample of 350 attendees of a minor league baseball game, 184 said that they bought food from the concession stand. Create a 95% confidence interval for the proportion of fans who bought food from the concession stand. Use Excel to create the confidence interval, rounding to four decimal places.
Question: Alison, the owner of a regional c...

Read More
# [Answered] MATH 225N Week 6 Assignment: Estimating Sample Size for a Population Proportion

Course
MATH 225N Statistical Reasoning For The Health Sciences
MATH 225N Week 6 Assignment: Estimating Sample Size for a Population Proportion
Question: Suppose an automotive repair company wants to determine the current percentage of customers who keep up with regular vehicle maintenance. How many customers should the company survey in order to … 90% confident that the estimated (sample) proportion is within 2 percentage points of the true population proportion of customers w...

Read More
# [Answered] MATH 225N Week 6 Assignment Confidence Interval for Mean – Population

Course
MATH 225N Statistical Reasoning For The Health Sciences
Week 6 Assignment Confidence Interval for Mean – Population Standard Deviation Known
Question: The population standard deviation for the number of corn kernels on an ear of corn is 94 If we want to … 90%confident that the sample mean is within 17kernels of the true population mean, what is the minimum sample size that should … taken?
Question: Suppose the scores of a standardized test are … If the population sta...

Read More
# [Answered] Week 6 Assignment: Point Estimates, Margins of Error, and Confidence Intervals

Course
MATH 225N Statistical Reasoning For The Health Sciences
MATH 225N Week 6 Assignment: Point Estimates, Margins of Error, and Confidence Intervals
Question: Randomly sampled employees at an office were … to take part in a survey about overtime. The office manager … to find out how many employees worked overtime in the last week. The proportion of employees that … overtime was 0.83, with a margin of error of 0.11. Construct a confidence interval for the proportion of emplo...

Read More