10.68 According to Census estimates, there are about 20 million children between 8 and 12 years old. 1 answer below »
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10.68 According to Census estimates, there are about 20 million children between 8 and 12 years old (referred to as tweens) in the United States in 2009. A recent survey of 1,223 8- to 12-year-old children (S. Jayson, “It’s Cooler Than Ever to Be a Tween,” USA Today, February 4, 2009, pp. 1A, 2A) reported the following results. Suppose the survey was based on 600 boys and 623 girlWhat Tweens Did in the Past Week Boys Girls Played a game on a video game system 498 243 Read a book for fun 276 324 Gave product advice to parents 186 181 Shopped at a mall 144 262For each type of activity, determine whether there is a difference between boys and girls at the 0.05 level of significance
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