File 5% MINDTAP Complete: Chapter 2 Problem Set e Back to Average: 25/4 Aa Aa 6.
ID: 3072435 • Letter: F
Question
File 5% MINDTAP Complete: Chapter 2 Problem Set e Back to Average: 25/4 Aa Aa 6. The shape of a frequency distribution The histogram for the data collected on a quentitative variable named Variable A is shown here. of accur ences FREQUENCY 45 35 3D 25 20 15 10 0-19 20-39 40-59 60-79 8-99 100-119 The distribution shown in the preceding histogram is Based on the shape of the distribution, which of the following is Variable A more likely to represent? O Scores on a fairly easy licensing exam for a group of working professionals OAmount of cash (in dollars) in a person's walet in a smal U S town The histogram for the observations on an unknown quantitative variable caled Variable Bis shown here. ELATNE FREGUENCY 0.45 0.40 21Explanation / Answer
Histogram 1
The distribution shown in the preceding histogram is negatively skewed. (since the tail on the left hand side is longer than on the right hand side)
Variable A is more likely to represent :
Scores on a fairly easy licensing exam for a group of working professionals. (since we expect most of the people to pass the 'easy' exam with a fairly high grade because they are working professionals).
Histogram 2
The distribution shown in the preceding histogram is positively skewed. (since the tail on the right hand side is longer than on the left hand side)
Variable B is more likely to represent :
Amount of cash(in dollars) in a person's wallet in a small U.S. town. (since we expect most of the people to carry small amount of cash because they live in a smbuttoll town).
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