mr. lopez began the two-way table below to display the dominant hand of the students in his first- and second-period classes.

dominant hands
left-handed | right-handed | total
1st period | 9 | | 28
2nd period | 5 | | 31
total | | |

how many of mr. lopezs second-period students are right-handed?

14
19
26
45

Question

mr. lopez began the two-way table below to display the dominant hand of the students in his first- and second-period classes.

how many of mr. lopezs second-period students are right-handed?

14
19
26
45

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "multiple_choice_formatter", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Two-Way Tables" ], "new_concepts": [], "current_concepts": [ "Two-Way Tables", "Categorical Data Analysis" ] } ## Identify the relevant values from the table $$ \begin{aligned} &\text{Total students in } 2^{\text{nd}} \text{ Period} = 31 \ &\text{Left-handed students in } 2^{\text{nd}} \text{ Period} = 5 \end{aligned} $$ ## Calculate the number of right-handed students in the second period $$ \begin{aligned} &\text{Right-handed students} = \text{Total students} - \text{Left-handed students} \ &\text{Right-handed students} = 31 - 5 = 26 \end{aligned} $$

14

19

26

45

{ "subject": "Mathematics", "question_type": "Multiple Choice", "knowledge_point": [ "Mathematics", "Statistics", "Two-Way Tables" ] }

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QUESTION IMAGE

Question

Explanation:

Identify the relevant values from the table

Calculate the number of right-handed students in the second period

Answer: