The following two-way table shows the data for the students of two different grades in a school: Member of Science

Question

The following two-way table shows the data for the students of two different grades in a school:

Member of Science Club Not Member of Science Club Total
Grade 7 20 2 22
Grade 8 20 8 28
Total 40 10 50

Based on the relative row frequency, the students of which grade are more likely to be members of the science club?

Grade 7

Grade 8

The students of both grades are equally likely to be members of the science club

No conclusion can be drawn about the chances of a student being a member of the science club

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Lydia 5 days 2021-10-13T22:44:42+00:00 2 Answers 0

Answers ( )

    0
    2021-10-13T22:46:05+00:00

    Answer:

    Grade 7

    Step-by-step explanation:

    The relative row frequency of members of the Science Club is: Member of Science Club / Total

    in Grade 7: 20/22 = 0.91.

    And in Grade 8 is: 20/28 = 0.71.

    Then, students of Grade 7 are more likely to be members of the science club.

    0
    2021-10-13T22:46:05+00:00

    Answer: grade 7

    Step-by-step explanation:

    Grade 7: 20/22 students in club

    Grade 8: 20/28 students in club

    Grade 7 has higher % of students in science club

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27:3+15-4x7+3-1=? ( )