Statistics And Data Analysis Questions Practice Question and Answer
8 Q: A set of data is given. The mean of the set is 35 while the median is set as 60. Find the mode of the data.
1104 05f6d7cf25256e8407c2c6dbf
5f6d7cf25256e8407c2c6dbf- 125false
- 230false
- 320false
- 4110true
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Answer : 4. "110"
Q: In the following frequency table, the value of H will be
1081 05f758c56e487e60dceccb679
5f758c56e487e60dceccb679- 110false
- 28false
- 37false
- 42true
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Answer : 4. "2"
Q: Find the standard deviation of the following data (rounded off to two decimal places). 5, 3, 4, 7
794 064abda0ec4e3d04ca177a8e1
64abda0ec4e3d04ca177a8e1- 11.48true
- 23.21false
- 34.12false
- 42.45false
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Answer : 1. "1.48 "
Q: A file that uses preset settings for a normal presentation station (presentation/document) is done in the making is called ______?
790 064ba5d8ac3da05b2213e7466
64ba5d8ac3da05b2213e7466- 1Patternfalse
- 2Modelfalse
- 3Templatetrue
- 4Blueprintfalse
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Answer : 3. "Template"
Explanation :
1. A file that contains a template for a simple presentation using predefined settings.
- Presentation: Using the template, you can create a professional presentation that will grab attention and impress your audience.
- Document: Using templates, you can create a professional document that is well-written and well-organized.
- Email: Using the template, you can create a professional email that will attract attention and get your response.
- Web page: Using the template, you can create a professional web page that is beautiful and easy to use.
Q: The median of a set of 11 distinct observations is 73.2. If each of the largest five observations of the set is increased by 3, then the median of the new set:
785 064b4f4f236fc1bf576504f73
64b4f4f236fc1bf576504f73- 1is 3 times that of the original setfalse
- 2is increased by 3false
- 3remains the same as that of the original settrue
- 4is decreased by 3false
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Answer : 3. "remains the same as that of the original set"
Q: Flash memory is?
703 064ba5c09a2d4dcaf043c0549
64ba5c09a2d4dcaf043c0549- 1softwarefalse
- 2Operating Systemfalse
- 3RAMfalse
- 4Portable storage devicetrue
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Answer : 4. "Portable storage device"
Explanation :
. Flash memory is a portable storage device that can store data for a short period of time.
2. Unlike traditional hard drives, flash memory is capable of retaining data even after the power is turned off.
3. A flash drive is a small, portable flash memory card that plugs into a computer's USB port and acts as a portable hard drive.
4. A flash drive is a portable data storage device. Flash drives contain multiple flash chips, which are large memory modules.
Q: For a sample data, mean = 60 and median = 48. For this distribution, the mode is:
666 0649e7ae2c7d7c7e06738d1a4
649e7ae2c7d7c7e06738d1a4- 118false
- 248false
- 336false
- 424true
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Answer : 4. "24"
Q: Which of these computers is the most powerful in data storage capacity, performance and data processing?
632 064b91f5ba2d4dcaf04389a51
64b91f5ba2d4dcaf04389a51- 1Micro computerfalse
- 2super computertrue
- 3Palmtop computerfalse
- 4Mainframe computerfalse
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Answer : 2. "super computer"
Explanation :
1. Supercomputer is a powerful computer in terms of data storage capacity, performance and data processing.
2. A supercomputer is a powerful computer that can process large amounts of data and computations very quickly.
3. Supercomputers perform copious amounts of mathematical calculations.
4. Supercomputers are used for a wide variety of applications, including meteorology, medical research, and nuclear weapons research.