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Data handling and analysis

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Question 55

A software engineering team is investigating the latency (response time, in milliseconds) of API requests under two different hosting architectures. Architecture S S\,S uses a serverless computing model, while Architecture H H\,H uses a dedicated virtual host model. The team recorded the latencies of a large number of requests for both architectures and calculated the measures of central tendency shown in Table 1 below.

Table 1: Measures of central tendency for Architecture S S\,S and Architecture H H\,H latencies (ms)

Measure of central tendencyArchitecture S S\,S latency (ms)Architecture H H\,H latency (ms)
Mean120.4105.2
Median98.5105.0
Mode85.0105.0

Using the data in Table 1, explain how the distribution of latencies for Architecture S S\,S differs from the distribution of latencies for Architecture HHH.

[4]

Data handling and analysis Questions

  1. A Level
  2. /Psychology
  3. /Data handling and analysis

Practise AQA A Level Psychology Data handling and analysis with exam-style questions for A Level Psychology. 263 questions, matched to the AQA A Level Psychology (7182) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank