© UCLES 2004 [Turn over 2 1 Two cricket teams kept records of the number of runs scored by their teams in 8 matches. The scores are shown in the following table. Team A Team B 150 166 220 142 77 170 30 93 298 111 118 130 160 148 57 86 (i) Find the mean and standard deviation of the scores for team A. [2] The mean and standard deviation for team B are 130.75 and 29.63 respectively. (ii) State with a reason which team has the more consistent scores. [2]
Free Random variable Standard deviation Probability theory
Summer Surprise Summer Surprise By Rebecca White “Well do you or don’t you?” asked Sally. “Do I or don’t I what?” asked Angelica quickly‚ annoyed. “Do you or don’t you believe in the tooth fairy?” “Of course I don’t!” Angelica snapped back‚ quickly. “That’s kid’s stuff.” “No it’s not. I’ve seen the tooth fairy with my own two eyes.” “Yeah‚ right‚” said Angelica. The two girls were sitting on Sally’s front porch‚ the hot summer sun making them sweat
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I think‚ happiness lies in living a plain life within one’s own means. If you follow the dictum ’cut you coat according to your cloth’ and live within your own means‚ you will not need to trouble your head to get a loan of money or to pay back loan. Besides‚ you will not be a parasite or a dependant on others and your free mind will bring you immense happiness. Happiness lies not only in the life of plain living but also in the life of high thinking. So‚ a saying goes on ’plain living and high
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Dates: 1607- King James I gave the permission to start a tobacco colony: North America‚ Virginia‚ Jamestown 1620-pilgrims arrived from England 1630-Puritans arrived MA 1765-Stamp Act: purchase stamps to show you paid taxes on all printed items. Quartering Act: must feed and house soldiers 1773- Boston Tea Party: colonists dressed up as Indians‚ toss 342 chests of tea into Boston harbor 1775- The American Revolution begins this year 1776- Thomas Paine publishes his pamphlet “Common Sense”
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the economy. India’s case is peculiar in the sense that while it has the well developed government sector‚ its corporative bond market is underdeveloped. Through this paper I try to look at the contradictions in the Indian bond market‚ ie.‚ why there is a well functioning government sector at the cost of corporative bond. I also intend to examine the challenges and potentials that Indian corporate bond market face. The paper is divided into four sections. Section 1 highlights the need for a well
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does her household works with proper care. She arranges the family in her own way. Every woman is a potential mother. If mother is educated‚ she can bring up her children in a constructive way. Napoleon once said‚ “Give me an educated mother‚ I will give you an educated nation.” From this saying‚ we can realize the necessity of an educated mother. An educated mother knows better than an uneducated mother how to rear her children‚ to educate them and to make them worthy citizen of the country
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Homosexuals: Should Our Society Accept Them? One of the many controversial issues we have in our society is Homosexuality. Homosexuality is a change in one’s identity and lifestyle due to having sexual attractions or relationships with a person of the same sex. Our society has two views about homosexuality or being a homosexual. The traditional views on homosexuality are it is an aberration‚ a sin‚ an abnormality‚ and it is against the bible. On the other hand‚ some people consider it as a very
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Who Am I? The amount of research that has been conducted about adoptees and their problems with identity development is enormous. Many of the researchers agree on some of the causes of identity formation problems in adolescent adoptees‚ while other researchers conclude that there is no significant difference in identity formation in adoptees as birth children. This paper will discuss some of the research which has been conducted and will attempt to answer the following questions: Do
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Mg(NO3)2 aq When we added the Mg strip‚ nothing happened. Adding the Cu strip did not affect the solution or the strip. (Strip stayed orange. The solution was still clear.) When we added the‚ nothing happened. The solution stayed clear and the strip stayed grey. When we added the Ag strip‚ nothing happened. The strip remained light grey and the solution was clear. Zn(NO3)2 aq When we added the Mg strip‚ the strip became dark grey (opposed to the regular grey before) Adding the Cu
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“Day one thousand and one. We came in close contact with a hive today. Blood tests confirm that I remain immune to both the airborne and contact strains. Canines remain immune to airborne strain only. The vaccine trials continue. I’m still unable to transfer my immunity to infected hosts. The Krippen Virus is... elegant.” -Robert Neville A virus breaks out in “I Am Legend”‚ virtually wiping out the human race‚ leaving only a select few to return order to the world. Instead of being contractible
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