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数学 大学生・専門学校生・社会人

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統計学 練習問題 第4回 記述統計の復習(3) 2013 年4月21 日 問1 ある会社では、健康診断の結果を利用して健康状況を測る指標のBMIを計算し、社員の健康管理を行っている。 BMIは(体重kg)/(身長m)?で計算される。例えば、身長172 cm、体重75 kg の人ならば、BMI は 75/1.72" = 25.35 となり、約 25.4となる。この会社では男性社員についてBMI の値に基づき、次の表のように解釈していた。 BMI 健康状態 17.6未満 やせすぎ 17.6 以上 19.8 未満||やせ気味 19.8以上 24.2未満|| 理想体重 24.2以上 26.4未満 26.4以上 過体重 肥満 企画部の17人、営業部の 29人、人事部の11人の男性社員のBMIを計算して、小数第2位を四捨五入した値を 使い、部署ごとに5数要約を求めたところ、次のようになった。 5数要約 企画部| 営業部人事部 最小値 19.3 17.0 17.0 第1四分位数 22.1 21,0 22.4 中央値 24.3 22.2 24.3 第3四分位数 最大値 26,4 26,0 25.7 31.0 27.1 30.9 []3つの部署の箱ひげ図として正しいものを、次の 0~0のうちから一つ選べ。 O の H 企画部 ト 著業部 人事部 人事部 H 16 18 20 22 24 26 28 30 32 BM 16 18 20 22 24 26 28 30 32 日M の の ト 富業部 H 富業部 日 人事部 人事部 16 1 20 22_24 26 2 30 32 BM 16 18 20 22 24,26 28 30 32 BM [2] 男性社員の健康状態に関して、3つの部署の状況を述べた記述の中で最も適切なものを、次のO~Oのうち から一つ選べ。 0中央値や最大値を見ると、営業部は、企画部や人事部に比べて BMIが低い傾向がある。 の3つの部署ともやせすぎの人がいる。 のやせすぎと肥満の人がいるのは人事部だけである。 の企画部と人事部において、中央値よりも数値が高い人は同じ人数である。 6 企画部と人事部の平均値は一致する。 (統計検定3級 2012)

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TOEIC・英語 大学生・専門学校生・社会人

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¥ Samuel Pepys is the earliest diary- keeper that is famous today. for it gives personal insight into London's Great Plague and the Great Fire. Pepys took diary writing from the realm of business to the individual. His diary is being published on the Internet, and it is interesting to note that there has beena new entry every day since Anne Frars 1929-194。 n January of 2003. It will continue over the course of several years to come. Reading his diary is fascinating. and it makes his life all the more real to us. 63 Today's electronic version of the diary, the web READING PASSAGE log, or “blog," has once again stretched the diary to fopic sentences and supporting sentences of each paragraph be much more than a personal account of the dav's events. There are blogs to document recipes, traveling. ロ movies, independent news, product announcements, allowance." It refers to a book for fragmentary writings by date and is photos, and anything else that needs to be recorded over time. Search engines like Technorati.com have 会 the six volumes of Samuel Pepys diary manuscript 35 been created to keep track of the more than 112 million blogs that are $ diary is a good form of self-study. 日(In America, from the 1940s through the 1980s! a diary was thought of currently public. In its newest incarnation, the diary has become more popular mostly as a way to privately express one's deepest thoughts while keeping notations about the day, In those times, pnd even continuing on today, writin。 in a diary was like writing to a special friend. Many times, movies would show than ever. COMPREHENSION QUESTIONS 9 teenage girl beginning to write in her diary while she said aloud, "Dear diary Decide if each statement is true [T] or false [F]. If it is false, write the sentence correctly. What followed was a synopsis of the day, usually filled with emotion. Those private reflections may have historical significance long after the 1.[]The word “diary" means a collection of stories written every ロ day. author's death. A diary kept by a young German Jewish girl by the name of Anne 2.[] Diary writing in movies illustrates how similar it is to writing to a special friend. Frank provides us with invaluable lessons about history, for she documented Anne kept a record of her private events and thoughts in her diary after she moved to Germany. 15 her experiences while she hid from the Nazis during their occupation of the Netherlands in World War II. Her diary became one of the world's most widely 4.[]Pepys was one of the first diary writers to include his own personal observations of historical events. read books and is the basis for many films. Samuel Pepys, who lived during the 17th century, is the earliest diary-keeper that is famous today. His diary is also an important documentation of history, ロ 5.[、]Today's diaries on the web are changing their characteristic of being secretive. 12

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