Reference no: EM132260763
Assignment:
For this assignment, you are to follow the directions, providing a screenshot where required, answer the questions in full detail, citing references using APA format. Submit the completed document the assignment area.
1. Load the attached Dataset _ch3_yearly_sales.csv file into R and/or RStudio as directed in page 69 in the textbook. Provide a screenshot.
2. What R command is used to install an additional R package?
3. Define vector and explain what is.vector (100088) denotes in relation to the data.
4. Two vectors, v1 and v2, are created with the following R code:
v1 <- 1:5
v2 <- 6:2
What are the results of cbind (v1, v2) and rbind (v1, v2)?
5. Define factor and demonstrate one using length(sales$num_of _orders) for the provided file. Provide a screenshot.
6. Plot num_of_orders vs. sales. Provide a screenshot. Explain how this data could be better represented for presentation to the following groups: Data scientists and C-Level executives.
7. Plot the data in a scatterplot. Provide a screenshot. Explain why this is or is not a good data representation.
8. Explain how you would determine if this dataset has dirty data.
9. Explain Null Hypotheses and Alternative Hypotheses and the significance these hypotheses and provide an example.
10. Explain the difference between a Type I and Type II error and how these errors factor into hypothesis testing.
|
Strategic management paper
: Find scientific article about corporate strategy (diversification, merger & acquisition, controlling, portfolio, parenting, holding company).
|
|
Best to outsource customer training on system
: Senior management at Manage Your Vote, Inc. (MYV) decided that it would be best to outsource customer training on the system,
|
|
Provide an example that illustrates the control function
: Can you please provide an example that illustrates the control function?
|
|
The mcdonald polystyrene case
: For years, McDonald's, like most other quick-food chains, used polystyrene containers-the famous Big Mac clamshell-for its hamburgers.
|
|
What r command is used to install an additional r package
: Plot the data in a scatterplot. Provide a screenshot. Explain why this is or is not a good data representation.
|
|
Different methods for conducting fire risk assessments
: FV 3103 Hazard & Risk Management - International College for Engineering and Management - different methods for conducting Fire Risk Assessments for different
|
|
Describe lewins three-step change process
: Describe Lewins three- step change process. How is it different from the change process needed in the white - water rapids metaphor of change?
|
|
What other trends or forces might affect marketing
: As an assistant to Jane Melody, Sonic's chief marketing officer, you've been assigned to draft a mission statement for top management's review.
|
|
Outline the four stages of the product life-cycle
: Outline the four stages of the product life-cycle. Analyze how a firm can determine which stage a particular product is in.
|