Module 2: The Wonderful World of Data Answers (Part 1: Q1–15)
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In this post, I provide accurate answers and detailed explanations for Module 2: The wonderful world of data of Course 1: Foundations: Data, Data, Everywhere – Google Data Analytics Professional Certificate.
Whether you’re preparing for quizzes or brushing up on your knowledge, these insights will help you master the concepts effectively. Let’s dive into the correct answers and detailed explanations for each question.
Here, we’ll walk through questions 1 to 15 with detailed explanations to support your learning.
To find answers to the remaining questions, check out the full module breakdown below:
Get a read on your analytical skills
Practice Quiz.
1. This practice quiz will help you get a read on the analytical skills you already have.
After you respond to each question, be sure to check the feedback you receive. This will help you check your own thinking against the expected thinking for these questions. The analytical skills assessed in this quiz will come in handy and be further developed as you progress in the program.
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Identify the pattern from left to right in the set of blocks below and try to predict which block should replace the block with the question mark.
Explanation:
The pattern involves squares with dots. The number of dots increases by one in each successive square (1, 2, 3, 4, ?). Therefore, the next square should contain 5 dots, which makes “A square with 5 dots” the correct answer.
2. Here's a more complex pattern. Identify the pattern from left to right in the images below and try to predict which image should come next.
Based on the images above, which option comes next in the pattern?
Explanation:
In this pattern, two elements are changing: the shape and the number of dots. The number of sides of the shapes decreases by one in each step (octagon to heptagon to hexagon, etc.), and the number of dots decreases by one as well. After a square with 3 dots, the next shape should be a triangle with 2 dots, making “A triangle with 2 dots in it” the correct answer.
3. Now, find a pattern in a different format. Select the next number in the sequence:
Fill in the blank: 9, 13, 17, 21, 25, 29, _____
- 25
- 33 ✅
- 55
- 10
Explanation:
This sequence increases by 4 each time: 9, 13, 17, 21, 25, 29, and so on. Adding 4 to 29 gives us 33, so the correct answer is “33.”
4. The following numbers are in a sequence from left to right. Determine the pattern and decide which number should come next:
Fill in the blank: 4, 9, 16, 25, 36, 49, _____
- 62
- 64 ✅
- 81
- 30
Explanation:
The numbers in the sequence are perfect squares: 2² (4), 3² (9), 4² (16), etc. The next number in the sequence should be 8², which is 64. Hence, the correct answer is “64.”
5. The following question is about recognizing and matching patterns in shapes that are the same, but viewed from different angles.
Two shapes are similar when one can become the other after a rotation clockwise ⟳ or counterclockwise ↺, or a reflection horizontally ↔ and/or vertically ↕.
Your task is to choose the figure that completes the statement. Pay attention to the pattern by which the first and second shapes are related, and then figure out which choice matches shape 3. Fill in the blank:
Select the image below that completes the statement.
Explanation:
The pattern in this question involves shape reflections. The first shape is reflected in the second. To complete the analogy, the answer should be an image that reflects the third shape. The correct answer is the option that matches the reflection pattern.
6. The following question is about recognizing and matching patterns in shapes that are the same, but viewed from different angles. Two shapes are similar when one can become the other after a rotation clockwise ⟳ or counterclockwise ↺, or a reflection horizontally ↔ and/or vertically ↕.
Your task is to choose the figure that completes the statement. Fill in the blank:
Which image completes it?
Explanation:
This question asks you to identify a rotated version of the first shape. The pattern follows a 90-degree counter-clockwise rotation, so the correct answer would have been the image that corresponds to this transformation. This question was marked incorrect because the rotation was not followed correctly.
7. The following series of codes are in a sequence from left to right. There is a repeating pattern that you will notice. Determine the pattern and decide which code should come next.
Fill in the blank: A1, B3, C5, D7, E9, F11, G13, _____
- J15
- H16
- H15 ✅
- D17
Explanation:
The sequence alternates between letters in alphabetical order (A, B, C, D, E, F, G) and numbers increasing by 2 (1, 3, 5, 7, 9, 11, 13). Following this pattern, the next code should be H15, making “H15” the correct answer.
8. The following series of codes are in a sequence from left to right. There is a repeating pattern that you will notice. Determine the pattern and decide which sequence of letters should come next.
Fill in the blank: A, AA, AAA, B, BA, BAA, BAAA, BB, BBA, BBAA, BBAAA, BBB, ________
- BBBB
- BBAAA
- BBBA ✅
- BBAA
Explanation:
This sequence follows a pattern where the letter A is added one at a time until three As appear, after which the letter B takes the place of the A. So after “BBB,” the next term is “BBBA,” making “BBBA” the correct answer.
9. Now, identify patterns in a word problem using a data visualization. There are 12 chocolates in a box: eight have caramel filling, six have coconut filling, and two have both caramel and coconut filling. Choose the best image that describes this box of chocolates.
Explanation:
The problem describes a set of chocolates, with some containing caramel filling, some containing coconut filling, and some containing both. The best diagram is one where 6 chocolates have only caramel, 4 have only coconut, and 2 have both. The correct Venn diagram is the one that reflects this distribution.
10. There are 10 children in a class and they have all brought sandwiches for lunch: five children have sandwiches with peanut butter, six children have sandwiches with jelly, and three children have sandwiches with both peanut butter and jelly.
Find out how many children have sandwiches with neither peanut butter nor jelly and choose the image that describes the situation best.
Explanation:
The problem describes 10 children with sandwiches that may have peanut butter, jelly, or both. The correct Venn diagram should show that 5 children have peanut butter sandwiches, 6 have jelly sandwiches, and 3 have both. Since this adds up to 9, the remaining child has neither. The correct diagram should reflect this count. The incorrect answer was chosen because it did not match the exact numbers described in the problem.
Test your knowledge on analytical thinking
Practice Quiz.
11. What practice involves identifying, defining, and solving a problem by using data in an organized, step-by-step manner?
- Context
- Data design
- Analytical thinking ✅
- Visualization
Explanation:
Analytical thinking is the process of breaking down complex problems into smaller components, analyzing data systematically, and finding logical solutions. It’s crucial in data analysis for solving problems efficiently.
12. Which of the following are examples of data visualizations? Select all that apply.
- Maps ✅
- Reports
- Charts ✅
- Graphs ✅
Explanation:
Data visualizations are graphical representations of data, such as maps, charts, and graphs, which help make data trends and patterns easier to understand. Reports, on the other hand, are often text-heavy and focus on summarizing findings rather than visually presenting data.
13. Gap analysis is used to examine and evaluate how a process currently works with the goal of getting to where you want to be in the future.
- True ✅
- False
Explanation:
Gap analysis is a method that identifies the differences between the current state and the desired state of a process or system. It helps organizations plan actions to close these gaps and achieve their goals.
14. Which aspect of analytical thinking involves being able to identify a relationship between two or more pieces of data?
- Correlation ✅
- Data design
- Context
- Visualization
Explanation:
Correlation measures the relationship between two variables to determine how closely they move together. This is a key aspect of analytical thinking when working with datasets to uncover insights and trends.
Test your knowledge on outcomes
Practice Quiz.
15. Fill in the blank: Curiosity, understanding context, and having a technical mindset are all examples of _____ used in data-driven decision-making.
- data models
- business strategies
- analytical skills ✅
- thought processes
Explanation:
Analytical skills encompass curiosity, contextual understanding, and technical proficiency, all of which are critical for interpreting data and making informed decisions.
That’s it for Part 1! Continue your learning journey with the next set of answers.
Next Part: Module 2: The Wonderful World of Data Answers (Part 2: Q16–30)