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Python Institute PCED-30-02 考試大綱主題:

最新的 Python Institute PCED PCED-30-02 免費考試真題：

問題 #1

A student writes a program using input() to collect user data, then tries to add 5 to the input value without conversion. The program crashes. What is the most likely cause of this behavior?

A. input returns int
B. Syntax error
C. input returns float
D. input returns string

問題 #2

You are given the following list of daily step counts:
steps = [8230, 9020, 7640, 8760, 10020, 2546, 9817]
Your task is to calculate:
- the standard deviation of the step counts,
- the average rounded up to the nearest whole number, and
- the median of the step counts.
Which code snippet correctly performs all three tasks? Select the best answer.
import statistics

A. import math
print(statistics.variance(steps))
print(math.ceil(sum(steps) / len(steps)))
print(math.floor(statistics.median(steps)))
import statistics
B. import math
print(math.stdev(steps))
print(statistics.mean(steps))
print(statistics.median(steps))
import statistics
C. import math
print(statistics.stdev(steps))
print(math.ceil(statistics.mean(steps)))
print(statistics.median(steps))
D. import math
print(statistics.stdev(steps))
print(round(math.mean(steps)))
print(math.median(steps))
import statistics

問題 #3

Which task is traditionally or typically performed by a data analyst, and not by a data scientist or analytics specialist? Select the best answer.

A. Designing a data pipeline to ingest and process real-time sensor data.
B. Recommending pricing strategies using predictive modeling and A/B testing.
C. Developing machine learning algorithms to predict user behavior.
D. Creating summary tables and charts to describe patterns in historical data.

問題 #4

A healthcare provider analyzes patient records to determine that appointment cancellations spike during weather alerts and flu season.
What type of analytics is this?

A. Prescriptive analytics - it automates patient rescheduling based on cancellation patterns.
B. Descriptive analytics - it reports appointment numbers across past seasons.
C. Predictive analytics - it uses weather and illness trends to forecast future cancellations.
D. Diagnostic analytics - it identifies reasons behind patterns in patient behavior.

問題 #5

An online retailer collects customer reviews, order transaction logs, and product ratings.
Which of the following correctly classifies these types of data? Select the best answer.

A. Product ratings are qualitative and structured; customer reviews are qualitative and unstructured; transaction logs are quantitative and semi-structured.
B. Product ratings are qualitative and unstructured; customer reviews are quantitative and structured; transaction logs are semi-structured and qualitative.
C. Product ratings are quantitative and structured; customer reviews are qualitative and unstructured; transaction logs are structured and quantitative
D. Product ratings are quantitative and unstructured; customer reviews are structured and qualitative; transaction logs are quantitative and unstructured.

問題與答案：