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if you have a cancer detection test and a population of 10000. This test has 98% accuracy and you know 0.5 of the population has cancer, what is the probability of the test telling people that have cancer that they actually have cancer.
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Quantitative Data Analyst

Interviewed at CareDash

4.5★
Apr 17, 2016

if you have a cancer detection test and a population of 10000. This test has 98% accuracy and you know 0.5 of the population has cancer, what is the probability of the test telling people that have cancer that they actually have cancer.

In interview they asked questions 1. Write test cases for ceiling fan. 2. what is structured data and unstructured 3. Tell about yourself. 4. Gave me test case of cab with table of cab no, driver name, trip start time, trip end time and driver duty start time and end time. Asked to draw analysis out of this info. 5. final round was with MD over skype and he also asked many questions based on CV and some test ceases. how you ensure quality data from vendor. how to check data is updated or not.
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Trainee Data Analyst

Interviewed at Obsessory

2.6★
Apr 3, 2017

In interview they asked questions 1. Write test cases for ceiling fan. 2. what is structured data and unstructured 3. Tell about yourself. 4. Gave me test case of cab with table of cab no, driver name, trip start time, trip end time and driver duty start time and end time. Asked to draw analysis out of this info. 5. final round was with MD over skype and he also asked many questions based on CV and some test ceases. how you ensure quality data from vendor. how to check data is updated or not.

In War Commander, you can produce units to join your army. Your army can hold a maximum of 100 units. Units cost time to build, and are produced individually by adding them to a build queue. Alternatively, you can spend gold to skip the wait for each unit produced. Gold is purchased with USD. After units are built, you can use them to attack other player bases, and any damaged units are added to a repair queue that works in the same way as the build queue (repairs cost time and can be accelerated with gold). Your product manager wants to increase the maximum number of units in your army from 100 to 150. Please answer these questions to help inform whether the unit increase is a good or bad idea: ● What data would you use to estimate the impact increasing units will have on revenue? ● How will increasing the maximum number of units change player behavior? ● What metrics might change related to unit production, repairs, and attacks? ● Is increasing the number of units a good idea? Assume that your data source is able to record all in-game transactions in any desired format. Focus on describing your process and how you would approach this problem.
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Data Analyst

Interviewed at KIXEYE

3.3★
Oct 5, 2017

In War Commander, you can produce units to join your army. Your army can hold a maximum of 100 units. Units cost time to build, and are produced individually by adding them to a build queue. Alternatively, you can spend gold to skip the wait for each unit produced. Gold is purchased with USD. After units are built, you can use them to attack other player bases, and any damaged units are added to a repair queue that works in the same way as the build queue (repairs cost time and can be accelerated with gold). Your product manager wants to increase the maximum number of units in your army from 100 to 150. Please answer these questions to help inform whether the unit increase is a good or bad idea: ● What data would you use to estimate the impact increasing units will have on revenue? ● How will increasing the maximum number of units change player behavior? ● What metrics might change related to unit production, repairs, and attacks? ● Is increasing the number of units a good idea? Assume that your data source is able to record all in-game transactions in any desired format. Focus on describing your process and how you would approach this problem.

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