Category: Mathematics – Statistics

Respond to the following: On the basis of what you learned in the readings, define the terms “sample” and “population” and describe some of the advantages and disadvantages of using a sample compared to a population. Support your reasoning with examples. A researcher is studying the effects of caffeine on e x a m scores […]

I have attached the project details. The excel has the data set and the word doc has the assignment questions and I added some general guidelines. I have also attached the answer to question 1 so the regression should match this (unless you can make it better). — This email is intended only for the person or […]

  Discussion Initial post prompt: Your Managerial Report serves as your initial post to the discussion forum. After responding to the requirements posed by the Managerial Report, also provide an example in your career in which you believe one of the lessons learned from the Case has been/could be applicable. Alternatively, if you don’t have/foresee direct […]

Describe the distribution of hours worked each week. Provide appropriate numerical summaries based on the shape of your distribution. Describe the shape, center, and spread using numerical measures that best describe the distribution. In your description, include an interval of typical values and a discussion of variability. Do the data suggest that there is a […]

Post (300+ words):  Think of some discrete random variable you observe on a regular basis. For example, it could be the (rounded) number of hours you sleep, how many gallons of gas are in your car when you get into it, how many boxes of cereal are in your house, how many days between grocery […]

  ng the Framingham Heart Study dataset provided, perform the ANOVA multivariable linear regression analysis using BMI as a continuous variable. Before conducting the analysis, be sure that all participants have complete data on all analysis variables. Describe how each characteristic is related to BMI. Are crude and multivariable effects similar? What might explain or […]

   Within Arizona State, students were randomly assigned to one of two Mathematics teachers – Mrs. Elite and Mrs. Bright. After the assignment, Mrs. Elite had 30 students, and Mrs. Bright had 25 students. At the end of the year, each class took the same standardized test. Mrs. Elite’s students had an average test score […]

Use the template that i added and the part one project that I added as well this is part two to this project. Note: In the report you prepare for the sales team, the dependent, or response, variable (y) should be the listing price and the independent, or predictor, variable (x) should be the square […]

I need this statistics project completed. The file is attached. The data set for the project will be made up since the professor said he would not be providing one. The attached file has all the questions that need to be answered and specific instructions. Please return the file completed. Deadline is 20 April. 

I sample of human brain volumes (cm’) is given below. Use the given data values to identify the corresponding z scores that are used for a normalquantile plot, then identify the coordinates of each point in the normal quantile plot. Construct the normal quantile plot, then determine whether thedata appear to be from a population […]