The following table shows the market share for flat-panel television sales in the second quarter of ...

The following table shows the market share for flat-panel television sales in the second quarter of 2013 .
 
  Company Market Share
  Samsung 26.5
  LG 16.3
  Sony 8.0
  Panasonic 5.3
  Guangdong 5.1
  Other 38.8
 
  Which of the following data types best describe these values?
  A) cross-sectional
  B) nominal
  C) time series
  D) ordinal

Q. 2

The z-score follows a normal distribution with  = 1 and  = 0, which is known as the standard normal distribution.
 
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Q. 3

A negative sample covariance indicates that as one variable increases in value, the second variable tends to decrease.
 
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Q. 4

The hypergeometric distribution is used when samples are taken from an infinite population with replacement.
 
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Q. 5

The Poisson distribution can be used to approximate the binomial distribution when the number of trials is greater than 20 and the probability of success is less than or equal to 0.05.
 
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