5.152168.862.2167.865165.862.2167.865164.458.7169.957.5164.963.5160.355.217566.6172.573.517264168.45715557175.563.9172.369168.658176.456.9173.257.5167.550169.452.2166.772169.557165.755.4161.248.5172.857175.175.5157.550.5169.862.9168.663.4172.661163.858.5165.161.5166.752.5170.961166.169.5166.262.5172.452.6172.860177.863.9162.756.8168.854169.166.2177.56017766.2169.955.9167.454.4169.358.4172.872.8169.85816065.3179.162.2172.349.8163.346.5172.966.7165.458175.863.2162.352.2165.465.7171.559.3176.666.3181.768.6175.274.9169.559.5169.661.5169.163.1185.577173.965.5162.550171.558.5175.659.816675.5167.263.3171.957176.658.4177.367169.271.8166.249.8181.763175.868.3172.355.5172.758.5174.364171.259174.868165.455.5169.164.8167.962176.864183.569.9165.548.617170.5170.358.5(1)分析100名学生身高数据频率直方图;(2)体重数据是否来自正态总体?
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