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Conducting simulated lab and field tests to determine pH levels of collected samples

 Review the following videos for help submitting your Individual Project:

Assignment Details

Welcome back, Scientists! Chemistry is all around us. This week, you will explore the impact of pH by conducting simulated lab and field tests. 

  • Start this week with the Unit 2 Learning Path in intellipath® (located in the Assignments list). Here, you will be taught the following fundamental aspects of chemistry that you will need to complete this week’s lab activity, the Unit 2 Individual Project:
    • pH
    • Acids and bases
    • Acid rain
  • Continue on to the Unit 2 Individual Project (instructions below): 
  • Don’t forget to read! You will learn more about the basics of chemistry, such as the following: 
    • Types of elements
    • Chemical bonds
    • Chemical reactions                   
  • Don’t be a stranger! Your instructor loves hearing from you. Let them know how you are doing this week, and touch base with any questions you might have. You’re doing great!

Lab 2: Measuring pH Levels

For this assignment, you will use the Unit 2 Measuring pH Levels Learning Module to complete the Unit 2 Lab Report worksheet. You will be conducting simulated lab and field tests to determine pH levels of collected samples.

  1. If you haven’t already, download the Lab Report worksheet.
  2. Then, view the Unit 2 Lab: Measuring pH Levels to complete the virtual lab and Lab Report worksheet.
  3. Submit your completed assignment in one of the following ways:
    • Upload your completed Lab Report.
    • Upload an image with your completed Lab Report.
    • Type in your responses to the Lab Report in the IP submission text box.

View the Individual Project Demo for guidance on how to submit your Lab Report as an Individual Project via the Virtual Classroom or the CTU Mobile app.

Assignment-Specific Grading Criteria

SCI103 Unit 2 Individual Project Grading CriteriaMax PointsThe pH values, solutions, and acid/base identifications are accurate.

5

The three lake pH’s are accurate, and the two most acidic lakes are identified correctly.

5

Three to five sentences are used to describe acids found in the home and their common attributes.

5

Three to five sentences are used to describe bases found in the home and their common attributes.

5

Three to five sentences are used to explain what acid rain is. Data from Part 1 is used to discuss how each lake’s location causes varying impacts of acid rain.

9

The acidic concentration change from pH 6 to pH 3 is given correctly, and environmental impacts of this change are accurately presented in 3–5 sentences.

9

Uses proper spelling, punctuation, and grammar to write clearly and effectively

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What information will help you to allocate funds?

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A cost estimator for a construction company has collected the data found in the source file Estimation.xlsx describing the total cost (Y) of 97 difference projects

A cost estimator for a construction company has collected the data found in the source file Estimation.xlsx describing the total cost (Y) of 97 difference projects and the following 3 independent variables thought to exert relevant influence on the total cost: total units of work required (X1), contracted units of work per day (X2), and city/location of work (X3). The cost estimator would like to develop a regression model to predict the total cost of a project as a function of these 3 independent variables. 

a. Prepare two scatter plots showing the relationship between the total cost of the projects and each of the two independent variables (X1, and X2). What sort of relationship does each plot suggest? After data analysis, you can find any cell in Excel to write down your interpretation.

b. Suppose the estimator wants to use the total units of work required (X1), contracted units of work per day (X2), and city/location of work (X3) as the independent variables to predict total cost. What should be the regression function between Y and X1, X2, and X3? What is the adjusted R-squared value of this model? What conclusions can you make? (Note that X3 is a dummy variable. You should process it into different categories as I showed you in the class lecture. You should expand X3 into Location1, Location 2, …. Location 5 to differentiate the six locations.) After data analysis, you can find any cell in Excel to write down your interpretation.

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Explain what type of analysis and hypothesis test was conducted on the data collected

Conduct an analysis and hypothesis test of your choice on the data you collected. Write a 250-500 word research summary of the findings generated in the assignments for Topics 2 through 5. The research summary should address the following.

  1. Explain what type of analysis and hypothesis test was conducted on the data collected.
  2. Summarize the survey results based on the results of the data you analyzed.
  3. Include the Excel analysis as part of the document.

APA format is not required, but solid academic writing is expected.

This assignment uses a rubric. Please review the rubric prior to beginning the assignment to become familiar with the expectations for successful completion.

This assignment is in conjunction/related to:
09/07/2021 Data Collection assignment

09/10/2021 Create Data Set Project

09/19/2021 Descriptive Statistics

09/27/2021 Confidence Intervals

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How much of your personal information and data are collected on a daily basis?

Take a moment to think about how much time you spend using the Internet each day. Think about your use of social media on a daily basis. Consider the shopping you complete using an online vendor. Think about how and where you use your smartphone or tablet each day.

Discuss the following:
•How much of your personal information and data are collected on a daily basis?
•How often are your data collected on a daily basis?
•What types of personal data are collected, used, and stored on a daily basis?
•What are the personal data used for once they are collected?
•Who knows where you are each day?
•Are we willing to give up certain types of freedom to have more convenience?
•Who is tracking your location data on a daily basis?
•In the aftermath of 9/11 and the changes to laws dealing with GPS on mobile devices, do you feel that Internet service providers (ISPs) should be able to turn on GPS to help find you in a disaster.

Once you have collected a few thoughts about your daily Internet use and your location data, share your thoughts with your peers. Discuss with your peers if you feel that individuals should embrace this new era of data sharing as a reality of a new data-based culture

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Technology: Personal Data

(Course Instructor)

(University Affiliation)

(Student’s Name)

The Risks to Privacy When Using Smartphones

            The revolutions in the mobile communications have led to creation of mobile phones that are virtually able to do anything. Smartphones come with various applications, which can be a source of threats to individual privacy (Gralla, Sacco, & Faas, 2011). Many people lose many data due to exposure of their personal data to unsuspecting individuals. The increase in the number of smartphone users has increased the amount of data, leading to an exponential growth in threats and vulnerabilities.

            We lose huge amount of data on a daily basis through our Smartphones. Smartphones are filed with numerous applications, such as online shops, social media applications, the location trackers and browsers (Boyles, Smith, & Madden, 2012). Most of these applications expose the smartphone users to data breach. Some of the data that is lost on the daily basis include personal identity, the unique identification number of the mobile device, one’s location, photos, access to contacts and our browser habits. Most of these information are accessed and stored by the applications and are combined by the ad networks to built strong profiles about the smartphone user and sell such data to the marketing companies. Sometimes, hackers in phishing, which often leads to lose of money, use the data that we lose, such as identity and financial data.           Most applications have a tracking system, where they are able determine one’s location. In addition, the government security agencies and telecommunication companies store huge amount of data regarding our location on a daily basis. However, I would be willing to give up some of the privacy in return for certain services such as security, which is offered by government security agencies. For instance in the aftermath of the September 9/11 attack, the changes in the laws has made it possible for the internet servic…………………………………….

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