Add 95% CI error bars to CE and CW examples (Sourcery refactored)

[sourcery-ai]

Pull Request #14 refactored by Sourcery.

If you're happy with these changes, merge this Pull Request using the Squash and merge strategy.

NOTE: As code is pushed to the original Pull Request, Sourcery will
re-run and update (force-push) this Pull Request with new refactorings as
necessary. If Sourcery finds no refactorings at any point, this Pull Request
will be closed automatically.

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[sourcery-ai]

Sourcery Code Quality Report

✅  Merging this PR will increase code quality in the affected files by 0.08%.

Quality metrics	Before	After	Change
Complexity	25.80 😞	25.79 😞	-0.01 👍
Method Length	381.40 ⛔	380.60 ⛔	-0.80 👍
Working memory	20.84 ⛔	20.83 ⛔	-0.01 👍
Quality	24.58% ⛔	24.66% ⛔	0.08% 👍

Other metrics	Before	After	Change
Lines	395	398	3

Changed files	Quality Before	Quality After	Quality Change
examples/merrill_1984_fig_2c_2d.py	7.09% ⛔	7.09% ⛔	0.00%
examples/merrill_1984_table_1_fig_1.py	13.13% ⛔	13.13% ⛔	0.00%
examples/wikipedia_condorcet_paradox_likelihood.py	69.29% 🙂	69.29% 🙂	0.00%

Here are some functions in these files that still need a tune-up:

File	Function	Complexity	Length	Working Memory	Quality	Recommendation

Legend and Explanation

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[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (c93a525) 97.40% compared to head (9c93897) 97.40%.

Additional details and impacted files

@@             Coverage Diff             @@
##           error_bars      #19   +/-   ##
===========================================
  Coverage       97.40%   97.40%           
===========================================
  Files              18       18           
  Lines             463      463           
===========================================
  Hits              451      451           
  Misses             12       12           

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[sourcery-ai]

Lines 96-96 refactored with the following changes:

• Replace unused for index with underscore (for-index-underscore)

[sourcery-ai]

Lines 54-133 refactored with the following changes:

• Merge consecutive list appends into a single extend (merge-list-appends-into-extend)
• Replace unused for index with underscore (for-index-underscore)

This removes the following comments ( why? ):

# Likelihood of Condorcet Winner (normalized by n elections)

[sourcery-ai]

Function simulate_batch refactored with the following changes:

• Replace unused for index with underscore (for-index-underscore)