Managerial statistics

 

 

1. From the following information:

Age 53 51 55 42 47 49 55 38 30
Glucose Level 79 75 69 55 97 61 86 41 20

A. Fit a regression line and find the Glucose level when the age is 70
B. Find the value of the Karl Pearson’s correlation coefficient and comment on the result.

2. The local ice cream shop keeps track of how much ice cream they sell and the temperature on that day, here are their figures for the last 12 days:
Temperature °C 24° 16° 21° 25° 28° 22° 19° 25° 23° 18° 22° 17°
Ice Cream Sales 25 15 25 35 16 12 22 24 14 31 30 08
Find Spearman Rank correlation from the above information and comment on the correlation between temperature and ice-cream sales.

 

Sample Solution

The word “gospel” always meant “good news” in Greek, a common term used in my religion class. But according to the Oxford English Dictionary, the word “gospel” means the body of religious doctrine taught by Jesus and the Apostles. The Oxford English Dictionary also states a gospel could represent something that guides human action.
In the poem “Nelson Mandela Talks to Tupac Shakur,” Nelson says to Tupac, “We read the bad / news of the ghettos / and tried to write a gospel they could / believe” (lines 12-16). From the context, readers understand Nelson and Tupac did not literally write gospels. Instead, Nelson Mandela wrote speeches. He was an important leader in the apartheid of South America. Leading a movement for human rights, freedom, and equality, he united South Americans through his words and protests. Tupac Shakur did not write gospels either. Tupac Shakur was a popular hip-hop, rap artist in the 1990s writing songs about racial relations and social issues in America. His lyrics sparked conversations across a wide spread audience because he addressed issues others ignored. His leadership was prominent by spreading awareness and being a voice for many.
Joseph Ross, the author of the collection of poems, did not use the word, “gospel,” to talk about Christian teachings. He used the second connotation to reference their words as a guide to human practices. Using this word emphasized the importance of Nelson Mandela and Tupac Shakur’s words that shaped them into leaders. Because of their leadership, their followers viewed these men as role models, or guides to human action. People need to be persuaded to join a revolution or fight for a cause. Leaders speak the message, and that message serves as a gospel for those followers.
I questioned Joseph Ross’s use of “altar” in the poem, “Santo Toribio: Altar.” The poem began with, “you sister saw you shot, / the floor became an altar” (lines 5-6). It concluded with altar in the ending scene, “our paper saint, the martyr, / we hope will save us / when we lie torn / between the cactus / on an altar of sand” (lines 15-20). Mentioned three times throughout this poem, the word was essential to his central message.
To find altar’s true meaning, I used the Oxford English Dictionary to generate definitions. The first definition stated it was a stand or table used for sacred rituals like sacrifices or offerings. The second defined altar as a Roman Catholic and Orthodox piece of furniture where the Eucharist is celebrated at Mass. Given the context, the immigrants were religious people who prayed to God and saints along their j

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