Essay Quoll

Revolutionized Research Writing

Category: Statistics

Estimate the number of visitors in the sample who actually are looking for the company’s website by giving the mean of the relevant distribution . Do not round your response.

Posted on by Assessments

Not all visitors to a certain company’s website are customers or potential customers. In fact, the company’s executives estimate that about 8% of all visitors to the website are looking for other websites. Assume that this estimate is correct and that a random sample of 40 visitors to the website is taken. Answer the following. […]

What proportion of babies weigh between 10 and 14 pounds? Is it unusual for a baby to weigh more than 17 pounds?

Posted on by Assessments

Baby weights: According to a recent National Health Statistics Reports, the weight of male babies less than 2 months old in the United States is normally distributed with mean 11.5 pounds and standard deviation 2.7 pounds. What proportion of babies weigh between 10 and 14 pounds? Is it unusual for a baby to weigh more […]

What was the topic you selected, and why did you select this topic? Is it a public health concern?Identify the types of variables and measurement scales that were used in the table.  make sure you define them.

Posted on by Assessments

Search for a topic related to your professional interests and experience.  The results of this topic search will include an interactive data table, if it is available. Next, interpret these tables, graphs, and the charts on your topic and write a blog post that addresses the following prompts: What was the topic you selected, and […]

How many standard deviations away from the mean is a child whose time to the onset of seizure was 50 months? What proportion of children have an onset to seizure time of 50 or more months? What proportion of children have an onset to seizure time between the mean and 50 months?

Posted on by Assessments

Problems not marked with [SPSS] should be done by hand, as problems similar to those could be on the Midterm and/or Final. (Of course, feel free to check your work using SPSS!) Problems marked with [SPSS] are intended to be done with SPSS. For these problems, please attach the output file. A study was conducted […]

Provide a critique of the data by discussing the population, sample, and any descriptive or inferential information related to the data. Use examples from concepts in this class to help inform your discussion. What information was present? What was missing? How does that change your perception of the data?

Posted on by Assessments

Data and statistics are shared with us every day. In this course, you have explored data, visualizing data, central tendency, descriptive statistics, and basics of inferential statistics. You reflected about your experience and thoughts about data. Now that you have learned some additional statistics concepts, let’s reflect again. Respond to the following in a minimum […]

What factors should the assistant chief consider in determining the presence of gender bias in firefighter promotion? Is the promotional status of recently promoted firefighters independent of their gender?

Posted on by Assessments

You volunteer some of your spare time to your local fire department and have been asked by an assistant chief to analyze data on firefighters who applied for promotion. The assistant chief wants to ensure that gender bias is not a concern in the promotion of firefighters. Shown below is data for 50 firefighters who […]

What is the lower bound of the confidence interval?Briefly explain what the bounds of your confidence interval tell you about the parameter of interest.

Posted on by Assessments

MAT*H167: Principles of Statistics Quiz 13 Answer the following questions and attach your work to the submission link in Blackboard. The attached spreadsheet contains data on the type, color, diameter, and mass for a sample of n=462 Plain M&Ms. Suppose you would like to compute a 99% confidence interval for the proportion of Plain M&Ms […]

What are the odds of responding “yes” for a female subject who is 60 years old? What is the estimated odds ratio corresponding to the age variable? Interpret this estimate.

Posted on by Assessments

Calculate Odds within Logistic Regression Model A survey was conducted and asked: “Do you consider your health to be poor?” This was coded as 1 for “yes” and 0 for “no.” The effect of age (in years) and sex (1 = male, 0 = female) on the outcome was examined using logistic regression. The fitted […]

Identify the null hypothesis and the alternative hypothesis.What is the equation you would use to find the test statistic?

Posted on by Assessments

12 points Save Answer Two injectable medications (Type A and Type B) for asthma remain in the bloodstream for many hours. Independent simple random samples of 11 subjects who were administered type A and 9 subjects that were administered type B were selected and the amount of the medication in their bloodstream was monitored and […]

Using a level of significance for 0.05, what is your decision about thehypothesis null and what is the conclusion?

Posted on by Assessments

Statistics A researcher is interested in the number of days that successful athletes train to run a full marathon. She gets the workout logs for one year for all the athletes who completed a specific marathon in less than four hours. On the average, these athletes of the past trained for 305 days per year. […]

© 2020 EssayQuoll.com. All Rights Reserved. | Disclaimer: For assistance purposes only. These custom papers should be used with proper reference.