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Data Science Test
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1. What is the image above ?
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2. Machine Learning problems are primarily of 2 types which are ...
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3. What is this chart type ?
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4. Which of these is not an excel file type ?
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5. Which of the following would you use to check the performance of a classification machine learning model in python ?
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6.
x= "KLAYMATRIX"print([::-1])
What is the output of above code ?
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7. While building a machine learning model we split the data into ?
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8. In PowerBI one can use following to manage the data ?
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9. While building a machine learning model we split the data into ?
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10. Which chart would you use for correlation ?
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Excel Test
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1. What shortcut key combination is used to copy the selected cells in Excel?
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2. Which function would you use to find the average of a range of cells in Excel?
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3. Which feature in Excel allows you to filter and summarize data from a large dataset?
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4. What does the function =LEN(A1) do in Excel?
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5. Which function can be used to look up a value in a table and return a corresponding value from a specified column?
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6. Which feature allows you to quickly fill a range of cells with a series of values based on the content of other cells?
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7. How do you start a formula in Excel?
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8. Which feature in Excel allows you to filter and summarize data from a large dataset?
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9. Which of the following is NOT a valid chart type in Excel?
Data Visualization
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1. Which type of chart is best suited for showing parts of a whole in Power BI?
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2. Which chart would you use for correlation ?
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4. Which visual would you use to display trends over time in Power BI?
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5. Which of the following handles outliers in the best way ?
Machine Learning Test
1. While building a machine learning model we split the data into ?
2. Confusion Matrix is used for in machine learning models to ...
3. Which of the following would you use to minimize the impact of outlier ?
4. Which of the following evaluation metrics is appropriate for a binary classification problem?
6. While building a machine learning model we split the data into ?
7. Which of the following handles outliers in the best way ?
8. KNN is used for which kind of machine learning problems ?
9. Machine Learning problems are primarily of 2 types which are ...
10. Which of the following is not a supervised learning algorithm?
PowerBI Test
1. Which of the following is a valid DAX function?
2. How do you publish a Power BI report to the Power BI Service?
3. What is the purpose of the "Dataflow" feature in Power BI?
4. How can you apply a theme to a Power BI report?
5. What is the purpose of the "Page Navigation" feature in Power BI?
6. What is the purpose of the "Hierarchy" feature in Power BI?
7. Which of the following is a data visualization feature in Power BI?
8. How do you create a calculated measure in Power BI?
9. How can you add a new data source to an existing Power BI report?
10. Which of the following is a cloud-based business analytics service?
Python Test
1. How do you create a virtual environment in Python?
2. How do you add an element to a set in Python?
3. What is the output of print(5 > 3 and 2 < 4) in Python?
4. How do you check the length of a string in Python?
5. Which method is used to convert a string to lowercase in Python?
6. What is the output of print("Hello, World!".split(',')) in Python?
7. How do you remove duplicates from a list in Python?
8. How do you create a new list with elements of an existing list in uppercase in Python?
9. What is the output of print(2 + 2 == 4) in Python?
10. What is the output of print(10 % 3) in Python?