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SG4011 2425 (T2) Business Statistics and Data Analysis (OC)

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What is the level of measurement for numbers on the shirts of a girlʹs

soccer team?

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If an individual is selected at random, what is the probability that

he or she has a birthday in July? Ignore leap years.

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Which of the following forms the basis of regression analysis?

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Which is not an example of continuous data?

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In regression, the equation that describes how the response variable "Y "is related to the explanatory variable "X" is: 

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A study of 1000 randomly selected flights of a major airline showed that 856 of the flights arrived on time. What is the probability of a flight arriving on time? 

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Given the equation of a regression line is y  = 3.5x - 5.4, what is the best predicted value for y given x = -1.2? Assume that the variables x and y have a significant correlation. 

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The relationship between number of beers consumed (x) and blood alcohol content Yes was studied in 16 male college students by using least squares regression. The following regression equation was obtained from this study: Y= -0.0127 + 0.0180x .

The above equation implies that:

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A question has five multiple-choice answers. Find the probability of

guessing an incorrect answer.

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In a large lecture

room class of 300 students, a sample of 10 was taken to determine the

male/female make up of the class.  Which

misuse of statistics does this represent?

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