Two-Way Tables: Technology and Media Usage Exercise

Two-Way Tables: Technology and Media Usage

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Two-Way Tables: Technology and Media Usage

Examine two-way tables focused on technology and media usage. Practice reading and calculating frequencies for categorical data in this context.

Questions

  1. MultiChoice

    In a survey of 200 people, 60 use tablets. What is the marginal relative frequency of tablet users?

  2. MultiChoice

    Teens: 45 gaming, 15 reading. What is the joint frequency of teens who prefer gaming?

  3. MultiChoice

    Teens: 45 gaming, 15 reading. What is the row marginal total for teens?

  4. MultiChoice

    Given 60 teens surveyed, 45 prefer gaming. What is the conditional relative frequency of gaming preference among teens?

  5. MultiChoice

    Out of 100 adults, 10 prefer gaming. What is the joint relative frequency of adults who prefer gaming?

  6. MultiChoice

    75% of teens prefer gaming while only 10% of adults prefer gaming. What association does this show?

  7. MultiChoice

    Total phone owners = 80. If 60 use iOS, how many use Android?

  8. MultiChoice

    Out of 80 phone owners, 20 use Android. What is the marginal relative frequency of Android users?

  9. MultiChoice

    Students streaming music: 35 on Wi-Fi, 65 on Cellular. What is the joint frequency of Wi-Fi streamers?

  10. MultiChoice

    Out of 100 streaming students (35 Wi-Fi, 65 Cellular), what is the relative frequency of cellular streaming?

  11. MultiChoice

    Table: Smartwatch users (Adults: 26, Children: 14). Find the joint frequency of children using smartwatches.

  12. MultiChoice

    Smartwatch users: 26 Adults, 14 Children. What is the marginal total of smartwatch users?