After completing web scraping, which of the following file formats needs to be parsed?
A. .html
B. .txt
C. .csv
D. .tsv
正解:A
解説: (Pass4Test メンバーにのみ表示されます)
質問 2:
An organization would like to add a secondary email field to its customer database in order toenrich the customer profiles. Which of the following data manipulation techniques should the analyst use to add this information?
A. Aggregate
B. Merge
C. Blend
D. Append
正解:D
質問 3:
While reviewing survey data, an analyst notices respondents entered "Jan," "January," and "01" as responses for the month of January. Which of the following steps should be taken to ensure data consistency?
A. Sort any of the responses that say "Jan" and update them to "01".
B. Replace any of the responses that have "01".
C. Delete any of the responses that do not have "January" written out.
D. Filter on any of the responses that do not say "January" and update them to "January".
正解:D
解説: (Pass4Test メンバーにのみ表示されます)
質問 4:
Which of the following should be accomplished NEXT after understanding a business requirement for a data analysis report?
A. Build a mock dashboard/presentation layout.
B. Determine the data necessary for the analysis
C. Rephrase the business requirement.
D. Perform exploratory data analysis.
正解:B
解説: (Pass4Test メンバーにのみ表示されます)
質問 5:
Which of the following data analysis tools increases the efficiency of data visualizations?
A. Microsoft Excel
B. RapidMiner
C. SAS
D. SQL
正解:A
解説: (Pass4Test メンバーにのみ表示されます)
質問 6:
Consider this dataset showing the retirement age of 11 people, in whole years:
54, 54, 54, 55, 56, 57, 57, 58, 58, 60, 60
This tables show a simple frequency distribution of the retirement age data.

A. 54
B. 55
C. 57
D. 56
正解:A
解説: (Pass4Test メンバーにのみ表示されます)
質問 7:
An organization wants to evaluate whether project activities are within the set projections and in line to meet the desired project targets. Which of the following types of analysis is best suited for this situation?
A. Exploratory analysis
B. Trend analysis
C. Descriptive analysis
D. Performance analysis
正解:D
解説: (Pass4Test メンバーにのみ表示されます)
質問 8:
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?
A. Jean
B. Ralph
C. Randy
D. Katie
正解:D
解説: (Pass4Test メンバーにのみ表示されます)
Kobayashi -
先日DA0-001の参考書を購入し、これだけで受かりました。
時間も残し、余裕でした。試験合格ならこの問題集は十分です。お薦めします。
ありがとうございました。