Merge branch 'main' of https://github.com/microsoft/ML-For-Beginners into main

quiz-app/src/assets/translations/en.json

@@ -917,48 +917,52 @@
 				"title": "Classification 1: Pre-Lecture Quiz",
 				"quiz": [
 					{
-						"questionText": "q1",
+						"questionText": "Classification is a form of supervised learning that has a lot in common with",
 						"answerOptions": [
 							{
-								"answerText": "a",
+								"answerText": "Time Series",
 								"isCorrect": "false"
 							},
 							{
-								"answerText": "b",
+								"answerText": "Regression techniques",
 								"isCorrect": "true"
 							},
 							{
-								"answerText": "c",
+								"answerText": "NLP",
 								"isCorrect": "false"
 							}
 						]
 					},
 					{
-						"questionText": "q2",
+						"questionText": "What question can classification help answer?",
 						"answerOptions": [
 							{
-								"answerText": "a",
+								"answerText": "Is this email spam or not?",
 								"isCorrect": "true"
 							},
 							{
-								"answerText": "b",
+								"answerText": "Can pigs fly?",
+								"isCorrect": "false"
+							},
+							{
+								"answerText": "What is the meaning of life?",
 								"isCorrect": "false"
 							}
 						]
 					},
 					{
-						"questionText": "q3",
+						"questionText": "What is the first step to using Classification techniques?",
 						"answerOptions": [
 							{
-								"answerText": "a",
+								"answerText": "creating classes of a dataset",
 								"isCorrect": "false"
 							},
 							{
-								"answerText": "b",
+								"answerText": "cleaning and balancing your data",
 								"isCorrect": "true"
 							},
 							{
-								"answerText": "c",
+								"answerText": "assigning a data point to a group or outcome",
 								"isCorrect": "false"
 							}
 						]
@@ -970,48 +974,48 @@
 				"title": "Classification 1: Post-Lecture Quiz",
 				"quiz": [
 					{
-						"questionText": "q1",
+						"questionText": "What is a multiclass question?",
 						"answerOptions": [
 							{
-								"answerText": "a",
-								"isCorrect": "false"
+								"answerText": "the task of classifying data points into multiple classes",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "b",
+								"answerText": "the task of classifying data points into one of several classes",
 								"isCorrect": "true"
 							},
 							{
-								"answerText": "c",
+								"answerText": "the task of cleaning data points in multiple ways",
 								"isCorrect": "false"
 							}
 						]
 					},
 					{
-						"questionText": "q2",
+						"questionText": "It's important to clean out recurrent or unhelpful data to help your classifiers solve your problem.",
 						"answerOptions": [
 							{
-								"answerText": "a",
+								"answerText": "true",
 								"isCorrect": "true"
 							},
 							{
-								"answerText": "b",
+								"answerText": "false",
 								"isCorrect": "false"
 							}
 						]
 					},
 					{
-						"questionText": "q3",
+						"questionText": "What's the best reason to balance your data?",
 						"answerOptions": [
 							{
-								"answerText": "a",
+								"answerText": "Imbalanced data looks bad in visualizations",
 								"isCorrect": "false"
 							},
 							{
-								"answerText": "b",
+								"answerText": "Balancing your data yields better results because an ML model won't skew towards one class",
 								"isCorrect": "true"
 							},
 							{
-								"answerText": "c",
+								"answerText": "Balancing your data gives you more data points",
 								"isCorrect": "false"
 							}
 						]
@@ -1023,48 +1027,48 @@
 				"title": "Classification 2: Pre-Lecture Quiz",
 				"quiz": [
 					{
-						"questionText": "q1",
+						"questionText": "Balanced, clean data yields the best classification results",
 						"answerOptions": [
 							{
-								"answerText": "a",
-								"isCorrect": "false"
-							},
-							{
-								"answerText": "b",
+								"answerText": "true",
 								"isCorrect": "true"
 							},
 							{
-								"answerText": "c",
+								"answerText": "false",
 								"isCorrect": "false"
 							}
 						]
 					},
 					{
-						"questionText": "q2",
+						"questionText": "How do you choose the right classifier?",
 						"answerOptions": [
 							{
-								"answerText": "a",
-								"isCorrect": "true"
+								"answerText": "Understand which classifiers work best for which scenarios",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "b",
+								"answerText": "Educated guess and check",
 								"isCorrect": "false"
+							},
+							{
+								"answerText": "Both of the above",
+								"isCorrect": "true"
 							}
 						]
 					},
 					{
-						"questionText": "q3",
+						"questionText": "Classification is a type of",
 						"answerOptions": [
 							{
-								"answerText": "a",
+								"answerText": "NLP",
 								"isCorrect": "false"
 							},
 							{
-								"answerText": "b",
+								"answerText": "Supervised Learning",
 								"isCorrect": "true"
 							},
 							{
-								"answerText": "c",
+								"answerText": "Programming language",
 								"isCorrect": "false"
 							}
 						]
@@ -1076,48 +1080,52 @@
 				"title": "Classification 2: Post-Lecture Quiz",
 				"quiz": [
 					{
-						"questionText": "q1",
+						"questionText": "What is a 'solver'?",
 						"answerOptions": [
 							{
-								"answerText": "a",
+								"answerText": "the person who double-checks your work",
 								"isCorrect": "false"
 							},
 							{
-								"answerText": "b",
+								"answerText": "the algorithm to use in the optimization problem",
 								"isCorrect": "true"
 							},
 							{
-								"answerText": "c",
+								"answerText": "a machine learning technique",
 								"isCorrect": "false"
 							}
 						]
 					},
 					{
-						"questionText": "q2",
+						"questionText": "Which classifier did we use in this lesson?",
 						"answerOptions": [
 							{
-								"answerText": "a",
+								"answerText": "Logistic Regression",
 								"isCorrect": "true"
 							},
 							{
-								"answerText": "b",
+								"answerText": "Decision Trees",
+								"isCorrect": "false"
+							},
+							{
+								"answerText": "One-vs-All Multiclass",
 								"isCorrect": "false"
 							}
 						]
 					},
 					{
-						"questionText": "q3",
+						"questionText": "How do you know if the classification algorithm is working as expected?",
 						"answerOptions": [
 							{
-								"answerText": "a",
-								"isCorrect": "false"
+								"answerText": "By checking the accuracy of its predictions",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "b",
-								"isCorrect": "true"
+								"answerText": "By checking it against other algorithms",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "c",
+								"answerText": "By looking at historical data for how good this algorithm is at solving similar problems",
 								"isCorrect": "false"
 							}
 						]