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diff --git a/_sources/notebooks/43_interpreting_linear_models.ipynb b/_sources/notebooks/43_interpreting_linear_models.ipynb
diff --git a/examples/ANOVA.html b/examples/ANOVA.html
@@ -708,7 +708,7 @@ <h2>Equivalence between ANOVA and OLS<a class="headerlink" href="#equivalence-be
   <th>Date:</th>             <td>Fri, 19 Jul 2024</td> <th>  Prob (F-statistic):</th> <td>1.11e-25</td>
 </tr>
 <tr>
-  <th>Time:</th>                 <td>14:44:00</td>     <th>  Log-Likelihood:    </th> <td> -139.86</td>
+  <th>Time:</th>                 <td>14:48:10</td>     <th>  Log-Likelihood:    </th> <td> -139.86</td>
 </tr>
 <tr>
   <th>No. Observations:</th>      <td>   100</td>      <th>  AIC:               </th> <td>   289.7</td>

diff --git a/examples/Mann-Whitney_U-test.html b/examples/Mann-Whitney_U-test.html
@@ -718,7 +718,7 @@ <h3>Example 1<a class="headerlink" href="#example-1" title="Permalink to this he
 <div class="output text_plain highlight-myst-ansi notranslate"><div class="highlight"><pre><span></span>&lt;Axes: xlabel=&#39;group&#39;, ylabel=&#39;score&#39;&gt;
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diff --git a/exercises/exercises_21_discrete_RVs.html b/exercises/exercises_21_discrete_RVs.html
@@ -1174,7 +1174,7 @@ <h3>E2.16<a class="headerlink" href="#e2-16" title="Permalink to this heading">#
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-<div class="output text_plain highlight-myst-ansi notranslate"><div class="highlight"><pre><span></span>array([46, 43, 42, 44, 38, 50, 44, 34, 37, 40])
+<div class="output text_plain highlight-myst-ansi notranslate"><div class="highlight"><pre><span></span>array([40, 34, 34, 50, 43, 36, 35, 53, 42, 50])
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diff --git a/exercises/exercises_35_two_sample_tests.html b/exercises/exercises_35_two_sample_tests.html
@@ -592,7 +592,7 @@ <h3>E1. Permutation test for the sleep score sin the doctors<a class="headerlink
 </div>
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-<div class="output text_plain highlight-myst-ansi notranslate"><div class="highlight"><pre><span></span>0.0531
+<div class="output text_plain highlight-myst-ansi notranslate"><div class="highlight"><pre><span></span>0.0462
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@@ -606,7 +606,7 @@ <h3>E1. Permutation test for the sleep score sin the doctors<a class="headerlink
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-<div class="output text_plain highlight-myst-ansi notranslate"><div class="highlight"><pre><span></span>0.04999500049995
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diff --git a/exercises/problems_1_data.html b/exercises/problems_1_data.html
@@ -579,7 +579,7 @@ <h2>Problem {prob:bar-chart_score-vs-curriculum}<a class="headerlink" href="#pro
 <div class="output text_plain highlight-myst-ansi notranslate"><div class="highlight"><pre><span></span>&lt;Axes: xlabel=&#39;curriculum&#39;, ylabel=&#39;score&#39;&gt;
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+<img alt="../_images/27b88b682f6a1732e7b16406a6f7bbaa8601935dbf36e39281b1dda75558af26.png" src="../_images/27b88b682f6a1732e7b16406a6f7bbaa8601935dbf36e39281b1dda75558af26.png" />
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diff --git a/exercises/solutions/exercises_31_estimtors.html b/exercises/solutions/exercises_31_estimtors.html
@@ -752,7 +752,7 @@ <h3>Exercise 3.4<a class="headerlink" href="#exercise-3-4" title="Permalink to t
 <div class="output text_plain highlight-myst-ansi notranslate"><div class="highlight"><pre><span></span>&lt;Axes: ylabel=&#39;Count&#39;&gt;
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@@ -798,7 +798,7 @@ <h3>Exercise 3.5<a class="headerlink" href="#exercise-3-5" title="Permalink to t
 <div class="output text_plain highlight-myst-ansi notranslate"><div class="highlight"><pre><span></span>&lt;Axes: xlabel=&#39;x&#39;, ylabel=&#39;$f_{X}$&#39;&gt;
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-<img alt="../../_images/23359fdfd054e1e38e5f5cae8555facc01ea28b5808da644f2342f7408779e28.png" src="../../_images/23359fdfd054e1e38e5f5cae8555facc01ea28b5808da644f2342f7408779e28.png" />
+<img alt="../../_images/474707e038cba000546f8b2b56ceff683fb7d3dbbca9917a247fb84d0b7aad00.png" src="../../_images/474707e038cba000546f8b2b56ceff683fb7d3dbbca9917a247fb84d0b7aad00.png" />
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@@ -821,7 +821,7 @@ <h3>Exercise 3.5<a class="headerlink" href="#exercise-3-5" title="Permalink to t
 <div class="output text_plain highlight-myst-ansi notranslate"><div class="highlight"><pre><span></span>&lt;Axes: xlabel=&#39;x&#39;, ylabel=&#39;$f_{X}$&#39;&gt;
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-<img alt="../../_images/91cc6f18e6ddff404ceb16290c7a22cc1ca904c28dba129bfe86c69f1fc82ffb.png" src="../../_images/91cc6f18e6ddff404ceb16290c7a22cc1ca904c28dba129bfe86c69f1fc82ffb.png" />
+<img alt="../../_images/68be00768af2052940243e71fa5e388f7a1f5c179f1172ab0f7a9cdcdd5a6033.png" src="../../_images/68be00768af2052940243e71fa5e388f7a1f5c179f1172ab0f7a9cdcdd5a6033.png" />
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@@ -844,7 +844,7 @@ <h3>Exercise 3.5<a class="headerlink" href="#exercise-3-5" title="Permalink to t
 <div class="output text_plain highlight-myst-ansi notranslate"><div class="highlight"><pre><span></span>&lt;Axes: xlabel=&#39;x&#39;, ylabel=&#39;$f_{X}$&#39;&gt;
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+<img alt="../../_images/e5eeb39cdd938f759dbdd23343d5d7be93e4e7cb7079be205588e4d05c9ecea4.png" src="../../_images/e5eeb39cdd938f759dbdd23343d5d7be93e4e7cb7079be205588e4d05c9ecea4.png" />
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@@ -893,7 +893,7 @@ <h3>Exercise 3.6<a class="headerlink" href="#exercise-3-6" title="Permalink to t
 <div class="output text_plain highlight-myst-ansi notranslate"><div class="highlight"><pre><span></span>&lt;Axes: xlabel=&#39;x&#39;, ylabel=&#39;$f_{X}$&#39;&gt;
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diff --git a/notebooks/11_intro_to_data.html b/notebooks/11_intro_to_data.html
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diff --git a/notebooks/12_data_in_practice.html b/notebooks/12_data_in_practice.html
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 <section id="average-volume-of-the-sample-from-batch-01">
@@ -2773,7 +2773,7 @@ <h3>Doctors’ sleep study<a class="headerlink" href="#doctors-sleep-study" titl
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 <section id="average-sleep-scores-for-doctors-in-different-locations">
@@ -2940,7 +2940,7 @@ <h3>Website visitors<a class="headerlink" href="#website-visitors" title="Permal
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 <p>The black lines represent the estimates of the uncertainty of the true conversion rates

diff --git a/notebooks/13_descriptive_statistics.html b/notebooks/13_descriptive_statistics.html
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