Question 181 · 365 in bank
Select 2Different people manually type a series of handwritten surveys into an online database. Which of the following issues will MOST likely arise with this data? (Choose two.)
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Answer: AE
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DA0-001 practice questions 181–190
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Question 182 · 365 in bank
Which of the following data sampling methods involves dividing a population into subgroups by similar characteristics?
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Answer: D
Question 183 · 365 in bank
A data analyst must separate the column shown below into multiple columns for each component of the name:
Which of the following data manipulation techniques should the analyst perform?
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Answer: C
Question 184 · 365 in bank
Select 2Which of the following descriptive statistical methods are measures of central tendency? (Choose two.)
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Answer: AC
Question 185 · 365 in bank
Which of the following will MOST likely be streamed live?
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Answer: D
Explanation
A. Machine data refers to data generated by various machines, devices, or sensors in real-time. Examples include logs from servers, sensor readings from IoT devices, or telemetry data from industrial equipment. Machine data is often streamed live as it is generated, allowing for real-time analysis, monitoring, and decision-making.
Source: Adapted from community discussion — Swift_and_Quick
Question 186 · 365 in bank
A database consists of one fact table that is composed of multiple dimensions. Depending on the dimension, each one can be represented by a denormalized table or multiple normalized tables. This structure is an example of a:
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Answer: A
Question 187 · 365 in bank
Randy scored 76 on a math test, Katie scored 86 on a science test, Ralph scored 80 on a history test, and Jean scored 80 on an English test. The table below contains the mean and standard deviation of the scores for each of the courses:
Using this information, which of the following students had the BEST score?
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Answer: B
Explanation
so, according to your formula, is A. Randy For Randy in math: z_math = (76 - 70) / 2 = 3 For Katie in science: z_science = (86 - 80) / 3 = 2 For Ralph in history: z_history = (80 - 75) / 2 = 2.5 For Jean in English: z_english = (80 - 90) / 1 = -10
Source: Adapted from community discussion — yandieg
Question 188 · 365 in bank
Which of the following is a process that is used during data integration to collect, blend, and load data?
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Answer: B
Explanation
B. ETL (Extract, Transform, Load) is a process that is used during data integration to collect, blend, and load data. ETL involves three main steps: Extract: In this step, data is gathered from a variety of sources, such as databases, spreadsheets, and APIs, and is then extracted and stored in a temporary data repository. Transform: In this step, the data is cleaned, transformed, and transformed into a format that can be loaded into the target system. This step involves tasks such as data cleansing, data enrichment, data matching, and data mapping. Load: In this step, the transformed data is loaded into the target system, such as a data warehouse or data mart, where it can be analyzed and used for reporting and business intelligence purposes.
Source: Adapted from community discussion — ronniehaang
Question 189 · 365 in bank
Given the data below:
In which of the following file formats is the data presented?
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Answer: B
Question 190 · 365 in bank
A commissions analyst has just completed second-quarter payout statements. The analyst created a dashboard to distribute the statements as quickly as possible. Which of the following will ensure only designated employees can view this information?
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Answer: B
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