Unit 8: Inference for Categorical Data: Chi-Square

/ Unit 8: Inference for Categorical Data: Chi-Square

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You’ll learn about chi-square tests, which can be used when there are two or more categorical variables.

Question Difficulty:

Question	Difficulty	Students Solved
Differentiation Error With Natural Logarithm	easy	3
Chi-Square Test and Bonferroni Correction	medium	3
Properties of the Chi-Square Goodness-of-Fit Test	easy	3
Chi-Square Test Conditions	easy	6
Limit of a Rational Function at Infinity	hard	-
Chi-Square Test Statistic Components	medium	3
Tangent Line Slope	hard	-
Properties of Chi-Square Distributions	easy	1
Evaluating Derivative Statements	hard	-
Chi-Square Test Selection	easy	1
Shape of the Chi-Square Distribution	easy	1
Effect of Sample Size on Expected Count	medium	-
Chi-Square Goodness-of-Fit Degrees of Freedom	easy	1
Chi-Square Test P-Value Calculation	easy	-
Chi-Square Goodness-of-Fit Test	medium	1
Observed Versus Expected Counts	easy	1
Chi-Square Test Association Versus Causation	easy	1
Expected Count in a Two-Way Table	easy	-
Error Analysis In Integration By Parts	hard	-
Chi-Square Test for Homogeneity Conclusion	easy	-

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Rank	User	Correct Count	Attempt Count	Time	Score
#1	qwaser028	26	41	0m 12s	2,438
#2	cynthiayihan34	25	26	7m 53s	2,017
#3	satyaachanti1710	16	16	0m 00s	1,600
#4	jiangmichael860	12	15	0m 00s	1,170
#5	h62018675	12	28	0m 00s	1,040
#6	adrianho1114	8	10	0m 00s	780
#7	seowooya	6	9	0m 00s	570
#8	tyanyekaterina567	5	8	0m 00s	470
#9	taeholee09	4	4	0m 00s	400
#10	blueplayroblox	4	4	0m 00s	400

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