Use McNemar s Test to Compare Two Proportions from Matched -pairs Data
-A researcher wants to determine whether there is a difference between two sunscreen lotions. Participants in a marathon race on a hot, sunny day applied lotion $A$ to one arm and lotion $B$ to the other arm. The results are shown in the table.

Is there a difference in the effectiveness of the two lotions in preventing sunburn? Use the critical-value method and the $\alpha = 0.05$ level of significance.

Question

Use McNemar s Test to Compare Two Proportions from Matched -pairs Data
-A researcher wants to determine whether there is a difference between two sunscreen lotions. Participants in a marathon race on a hot, sunny day applied lotion $A$ to one arm and lotion $B$ to the other arm. The results are shown in the table.

Is there a difference in the effectiveness of the two lotions in preventing sunburn? Use the critical-value method and the $\alpha = 0.05$ level of significance.

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The Answer of Use McNemar s Test to Compare Two Proportions from Matched -pairs Data
-A researcher wants to determine whether there is a difference between two sunscreen lotions. Participants in a marathon race on a hot, sunny day applied lotion $A$ to one arm and lotion $B$ to the other arm. The results are shown in the table.

Is there a difference in the effectiveness of the two lotions in preventing sunburn? Use the critical-value method and the $\alpha = 0.05$ level of significance.

Use McNemar S Test to Compare Two Proportions from Matched AAA

Use McNemar S Test to Compare Two Proportions from Matched $A$