variance

Using the fence rule, determine if data set has any outliers. Construct a qqplot and a qqline and determine if this data set is approximately normal.

ASSIGNMENT The center thickness (in mils) of a sample of twenty-five contact lenses are given below 0.3978               0.4019               0.4031               0.4044               0.3984             […]

Complete two months of the Personal Budget Template. Then, evaluate your personal budget information and numbers from your completed Personal Budget Template.

Budgeting Excel work and analysis Part 1: Prior to beginning work on this assignment, read Chapter 4: Financial Forecasting in the textbook, and review the Personal Budget Resource Download Personal Budget Resource. For this journal, complete two months of the Personal Budget Template Then, evaluate your personal budget information and numbers from your completed Personal […]

Describe what are the important concepts that need to be remembered regarding the fundamentals of Demand Driven Forecasting.

FINAL 2 Assignment This question focuses on Chapter 2 in your textbook; What is Demand Driven Forecasting. In the space below describe what are the important concepts that need to be remembered regarding the fundamentals of Demand Driven Forecasting. Think carefully about the following as you form your answer: Why forecasting is important to businesses? […]

Compare the descriptive statistics of the numbers in columns A and C. What happened to the z-score of the fifth-smallest value?

Math 40 Lab 2: Descriptive Statistics Notes You are to complete the following work in Excel. These instructions are for my version of Excel on a PC. Depending on your version of Excel or if you’re using a MAC, certain aspects may very slightly. Once completed, you are required to upload your Excel file into […]

What kind of information does the standard error of the mean give you? In other words, how do we interpret the value of standard error of the mean here?

Calculation question (30 points). Instructions: You need show your steps. You will receive only half the points if only final number is provided (when it is correct). You will receive 0 points when only final number is provided (and when it is incorrect). Also, keep 2 decimal places when you need to round numbers.   There […]

Read the Hessler et al. (2018) article and write an article review on the assigned reading. Does the article show you how the study fits into the overall work that has already been done?

Article Review Assignment Use the Hessler et al. (2018) article on BlackBoard to complete this assignment. Citation for the article in APA 7th. Read the introduction and literature review – Does the article make a case for the need for the study? (ie.. Gap in literature) Does the article show you how the study fits […]

Use the information below to find the probability that it was drawn from the first jar. Also determine the cumulative distribution function .

Statistics Assignment Suppose we have two jars. The first jar contains 4 white and 6 black marbles while the second one contains 4 white and 3 black marbles.  One marble is drawn at random from one of the jars, and it is found to be black.  Find the probability that it was drawn from the […]

Discuss the distribution and identify characteristics of the distribution (e.g., is it a normal or skewed distribution – be sure to discus the why of your decision) in one paragraph.

ASSIGNMENT Using the data provided, calculate the following descriptive statistics: (You may use EXCEL to complete this work. Show all formulas and work in your answer). 1) mean, median, and mode 2) Range, Variance, and Standard Deviation 3) Calculate standard scores for each individual (z and t scores) Discuss the distribution and identify characteristics of […]

Based on the results in a., which row (stock) would you buy and sell and why (if you believe history repeats)? Explain how would you use the skewness (first column attribute) to decide about buying or selling a stock.

Decision making based on historical data This project reflects the basics of data distribution. The project topics relate to the definitions of variance and skewness. Cover in the project the following: 1.Explain the variance and skewness a.Show a simple example of how to calculate variance and then explain the meaning of it. b.Show a simple […]

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